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Pragmatic Free Trial Meta<br><br>Pragmatic Free Trail Meta is an open data platform that allows research into pragmatic trials. It collects and shares cleaned trial data and ratings using PRECIS-2, permitting multiple and varied meta-epidemiological studies that compare treatment effects estimates across trials with different levels of pragmatism as well as other design features.<br><br>Background<br><br>Pragmatic studies provide real-world evidence that can be used to make clinical decisions. The term "pragmatic" however, is a word that is often used in contradiction and its definition and assessment need further clarification. Pragmatic trials should be designed to guide clinical practice and policy decisions, not to confirm a physiological or clinical hypothesis. A pragmatic study should strive to be as close as is possible to real-world clinical practices that include recruiting participants, setting, design, implementation and delivery of interventions, determining and analysis outcomes, and primary analyses. This is a major difference between explanatory trials as described by Schwartz and Lellouch1 which are designed to test the hypothesis in a more thorough way.<br><br>Truely pragmatic trials should not conceal participants or the clinicians. This can result in bias in the estimations of the effects of treatment. Pragmatic trials should also seek to attract patients from a variety of health care settings so that their results are generalizable to the real world.<br><br>Finally, pragmatic trials must concentrate on outcomes that are important to patients, such as the quality of life and functional recovery. This is especially important for trials involving the use of invasive procedures or potential for dangerous adverse events. The CRASH trial29, for instance was focused on functional outcomes to evaluate a two-page case report with an electronic system to monitor the health of patients admitted to hospitals with chronic heart failure. In addition, the catheter trial28 focused on urinary tract infections that are symptomatic of catheters as its primary outcome.<br><br>In addition to these features pragmatic trials should reduce the trial's procedures and data collection requirements to reduce costs. Finally, pragmatic trials should seek to make their results as applicable to clinical practice as they can by ensuring that their primary analysis follows the intention-to treat approach (as described in CONSORT extensions for pragmatic trials).<br><br>Despite these guidelines however, a large number of RCTs with features that defy the concept of pragmatism have been mislabeled as pragmatic and published in journals of all types. This can lead to false claims of pragmaticity, and the use of the term should be standardized. The development of the PRECIS-2 tool, which provides an objective and standard assessment of practical features is a great first step.<br><br>Methods<br><br>In a pragmatic study it is the intention to inform policy or clinical decisions by showing how an intervention could be integrated into routine treatment in real-world situations. Explanatory trials test hypotheses concerning the causal-effect relationship in idealized conditions. Therefore, pragmatic trials could have less internal validity than explanatory trials and may be more susceptible to bias in their design, conduct and analysis. Despite these limitations, pragmatic trials can be a valuable source of information for [https://atavi.com/share/wukvi9z1konli 프라그마틱 카지노] decision-making in healthcare.<br><br>The PRECIS-2 tool measures the degree of pragmatism within an RCT by scoring it across 9 domains ranging from 1 (very explicit) to 5 (very pragmatic). In this study the areas of recruitment, organisation, flexibility in delivery, flexible adherence and follow-up were awarded high scores. However, the principal outcome and method of missing data was scored below the pragmatic limit. This suggests that a trial could be designed with effective practical features, yet not harming the quality of the trial.<br><br>It is hard to determine the degree of pragmatism within a specific trial because pragmatism does not possess a specific characteristic. Some aspects of a study can be more pragmatic than others. Additionally, logistical or protocol changes during the trial may alter its score on pragmatism. In addition 36% of 89 pragmatic trials identified by Koppenaal et al were placebo-controlled or conducted prior to approval and a majority of them were single-center. They are not close to the norm, and can only be referred to as pragmatic if their sponsors accept that such trials aren't blinded.<br><br>A common aspect of pragmatic research is that researchers try to make their findings more meaningful by analyzing subgroups of the trial sample. However, this often leads to unbalanced comparisons and lower statistical power, thereby increasing the chance of not or misinterpreting the results of the primary outcome. In the case of the pragmatic studies included in this meta-analysis, this was a significant problem because the secondary outcomes weren't adjusted for differences in baseline covariates.<br><br>In addition the pragmatic trials may be a challenge in the collection and interpretation of safety data. This is due to the fact that adverse events are generally reported by the participants themselves and prone to reporting delays, inaccuracies or coding errors. It is crucial to improve the quality and accuracy of the results in these trials.<br><br>Results<br><br>While the definition of pragmatism does not require that all clinical trials are 100% pragmatic there are benefits when incorporating pragmatic components into trials. These include:<br><br>Increasing sensitivity to real-world issues, reducing cost and size of the study, and enabling the trial results to be faster transferred into real-world clinical practice (by including routine patients). However, pragmatic studies can also have disadvantages. The right type of heterogeneity, for example could allow a study to expand its findings to different settings or patients. However, the wrong type can decrease the sensitivity of the test, and therefore lessen the power of a trial to detect even minor effects of treatment.<br><br>A variety of studies have attempted to categorize pragmatic trials using various definitions and scoring methods. Schwartz and Lellouch1 have developed a framework that can discern between explanation-based studies that confirm the physiological hypothesis or clinical hypothesis and pragmatic studies that inform the choice for appropriate therapies in clinical practice. Their framework comprised nine domains that were scored on a scale ranging from 1 to 5 with 1 indicating more explanatory and 5 indicating more practical. The domains covered recruitment of intervention, setting up, delivery of intervention, flexible compliance and primary analysis.<br><br>The initial PRECIS tool3 included similar domains and an assessment scale ranging from 1 to 5. Koppenaal et al10 created an adaptation of this assessment called the Pragmascope that was easier to use in systematic reviews. They discovered that pragmatic reviews scored higher in most domains, but scored lower in the primary analysis domain.<br><br>The difference in the primary analysis domains could be explained by the way that most pragmatic trials analyze data. Some explanatory trials, however do not. The overall score was lower for pragmatic systematic reviews when the domains on organisation, flexible delivery and follow-up were merged.<br><br>It is crucial to keep in mind that a pragmatic study should not necessarily mean a low-quality study. In fact,  [https://sexduck0.werite.net/how-to-build-a-successful-pragmatic-even-if-youre-not-business-savvy 프라그마틱 게임] 슬롯 조작 ([https://brandstrup-vedel.blogbright.net/10-tell-tale-signs-you-need-to-get-a-new-pragmatic-free-trial-slot-buff/ Discover More]) there are a growing number of clinical trials which use the term "pragmatic" either in their abstracts or titles (as defined by MEDLINE however it is neither sensitive nor precise). These terms may signal a greater awareness of pragmatism within abstracts and titles, but it isn't clear whether this is reflected in the content.<br><br>Conclusions<br><br>In recent years, pragmatic trials have been increasing in popularity in research because the value of real-world evidence is becoming increasingly acknowledged. They are randomized clinical trials which compare real-world treatment options rather than experimental treatments under development. They have patient populations that more closely mirror those treated in routine care, they use comparators which exist in routine practice (e.g. existing medications), and they depend on participants' self-reports of outcomes. This method is able to overcome the limitations of observational research, for example, the biases that come with the reliance on volunteers, and the limited availability and codes that vary in national registers.<br><br>Other advantages of pragmatic trials are the ability to use existing data sources, as well as a higher probability of detecting significant changes than traditional trials. However, pragmatic trials may be prone to limitations that compromise their credibility and generalizability. For example, [https://algowiki.win/wiki/Post:The_History_Of_Pragmatic_Korea 프라그마틱 데모] participation rates in some trials could be lower than anticipated due to the healthy-volunteer effect as well as financial incentives or competition for participants from other research studies (e.g., industry trials). The requirement to recruit participants quickly restricts the sample size and the impact of many pragmatic trials. Additionally certain pragmatic trials don't have controls to ensure that the observed differences are not due to biases in the conduct of trials.<br><br>The authors of the Pragmatic Free Trial Meta identified 48 RCTs that self-described themselves as pragmatist and published from 2022. They evaluated pragmatism using the PRECIS-2 tool, which includes the eligibility criteria for domains and recruitment criteria, as well as flexibility in adherence to intervention, and follow-up. They discovered that 14 of these trials scored pragmatic or highly practical (i.e. scores of 5 or more) in one or more of these domains, and that the majority were single-center.<br><br>Trials with high pragmatism scores are likely to have more criteria for eligibility than conventional RCTs. They also include populations from various hospitals. These characteristics, according to the authors, may make pragmatic trials more relevant and useful in everyday clinical. However they do not ensure that a study is free of bias. Furthermore, the pragmatism of a trial is not a predetermined characteristic and a pragmatic trial that does not have all the characteristics of a explanatory trial can yield valuable and reliable results.
Pragmatic Free Trial Meta<br><br>Pragmatic Free Trial Meta is a non-commercial open data platform and infrastructure that supports research on pragmatic trials. It shares clean trial data and ratings using PRECIS-2 allowing for multiple and diverse meta-epidemiological studies to evaluate the effect of treatment on trials that employ different levels of pragmatism and other design features.<br><br>Background<br><br>Pragmatic trials are becoming more widely recognized as providing real-world evidence to support clinical decision-making. However, the usage of the term "pragmatic" is not consistent and its definition and assessment requires clarification. Pragmatic trials should be designed to inform policy and clinical practice decisions, rather than confirm a physiological or clinical hypothesis. A pragmatic trial should aim to be as similar to actual clinical practice as possible, including in the selection of participants, setting up and design as well as the implementation of the intervention, as well as the determination and analysis of outcomes as well as primary analyses. This is a significant difference between explanatory trials, as described by Schwartz &amp; Lellouch1 which are designed to test the hypothesis in a more thorough manner.<br><br>The trials that are truly practical should not attempt to blind participants or the clinicians, as this may result in bias in estimates of treatment effects. Practical trials also involve patients from various health care settings to ensure that their results can be generalized to the real world.<br><br>Furthermore the focus of pragmatic trials should be on outcomes that are important to patients, such as quality of life or functional recovery. This is especially important when trials involve invasive procedures or have potentially serious adverse consequences. The CRASH trial29, for instance, focused on functional outcomes to compare a 2-page case-report with an electronic system for the monitoring of patients admitted to hospitals with chronic heart failure, and the catheter trial28 utilized symptomatic catheter-associated urinary tract infections as the primary outcome.<br><br>In addition to these features, pragmatic trials should minimize the trial's procedures and requirements for data collection to reduce costs. Additionally pragmatic trials should strive to make their results as relevant to actual clinical practice as possible by ensuring that their primary analysis is the intention-to-treat approach (as described in CONSORT extensions for pragmatic trials).<br><br>Many RCTs that don't meet the criteria for pragmatism but contain features contrary to pragmatism have been published in journals of varying kinds and incorrectly labeled pragmatic. This can lead to false claims of pragmatism and the use of the term should be made more uniform. The creation of a PRECIS-2 tool that provides an objective and standardized evaluation of the pragmatic characteristics is a first step.<br><br>Methods<br><br>In a pragmatic trial, the aim is to inform policy or clinical decisions by demonstrating how an intervention would be integrated into everyday routine care. This differs from explanation trials, which test hypotheses about the cause-effect connection in idealized conditions. In this way, pragmatic trials may have a lower internal validity than explanatory studies and be more prone to biases in their design, analysis, and conduct. Despite their limitations, pragmatic studies can provide valuable data for making decisions within the healthcare context.<br><br>The PRECIS-2 tool evaluates the level of pragmatism that is present in an RCT by assessing it on 9 domains that range from 1 (very explicit) to 5 (very pragmatic). In this study, the recruit-ment organization, flexibility in delivery, [https://bookmarksknot.com/story19906390/what-is-pragmatic-free-game-history-of-pragmatic-free-game 프라그마틱 정품확인방법] 정품인증; [https://dmozbookmark.com/story18337146/the-most-popular-pragmatic-free-slots-the-gurus-are-using-3-things visit their website],  [https://livebookmarking.com/story18273453/who-s-the-world-s-top-expert-on-pragmatic-genuine 프라그마틱 슬롯무료] flexible adherence and follow-up domains received high scores, however, the primary outcome and the method of missing data were not at the limit of practicality. This suggests that it is possible to design a trial with excellent pragmatic features without damaging the quality of its results.<br><br>It is difficult to determine the degree of pragmatism within a specific trial because pragmatism does not have a single attribute. Certain aspects of a research study can be more pragmatic than others. Additionally, logistical or protocol modifications during the course of the trial may alter its score on pragmatism. Koppenaal and colleagues found that 36% of 89 pragmatic studies were placebo-controlled, or conducted prior to the licensing. Most were also single-center. This means that they are not very close to usual practice and are only pragmatic if their sponsors are tolerant of the lack of blinding in these trials.<br><br>Furthermore, a common feature of pragmatic trials is that researchers try to make their results more relevant by analyzing subgroups of the trial sample. However, this often leads to unbalanced comparisons and lower statistical power, increasing the likelihood of missing or misinterpreting the results of the primary outcome. In the case of the pragmatic studies included in this meta-analysis this was a serious issue since the secondary outcomes were not adjusted for differences in baseline covariates.<br><br>Furthermore, pragmatic trials can also present challenges in the collection and interpretation of safety data. This is due to the fact that adverse events tend to be self-reported, and are prone to delays, inaccuracies or coding differences. It is therefore crucial to improve the quality of outcome for these trials, and ideally by using national registries instead of relying on participants to report adverse events on a trial's own database.<br><br>Results<br><br>Although the definition of pragmatism may not require that all clinical trials are 100% pragmatist there are benefits of including pragmatic elements in trials. These include:<br><br>Enhancing sensitivity to issues in the real world,  [https://throbsocial.com/story20102341/what-freud-can-teach-us-about-pragmatic-play 프라그마틱 슬롯체험] reducing study size and cost, and enabling the trial results to be faster implemented into clinical practice (by including patients from routine care). However, pragmatic trials have their disadvantages. The right type of heterogeneity, like, can help a study generalise its findings to many different patients or settings. However the wrong type of heterogeneity could decrease the sensitivity of the test and, consequently, lessen the power of a trial to detect small treatment effects.<br><br>Many studies have attempted categorize pragmatic trials using various definitions and scoring methods. Schwartz and Lellouch1 created a framework to differentiate between explanation studies that confirm a physiological or clinical hypothesis and pragmatic studies that inform the choice for appropriate therapies in clinical practice. The framework was comprised of nine domains assessed on a scale of 1-5 with 1 being more informative and 5 was more practical. The domains included recruitment, setting up, delivery of intervention, flexible adherence and primary analysis.<br><br>The initial PRECIS tool3 had similar domains and a scale of 1 to 5. Koppenaal et al10 created an adaptation of this assessment,  [https://pragmatickorea87531.post-blogs.com/51894607/8-tips-to-increase-your-pragmatic-game 프라그마틱 슬롯버프] dubbed the Pragmascope that was simpler to use in systematic reviews. They discovered that pragmatic reviews scored higher across all domains, however they scored lower in the primary analysis domain.<br><br>The difference in the analysis domain that is primary could be explained by the fact that most pragmatic trials process their data in an intention to treat manner while some explanation trials do not. The overall score for pragmatic systematic reviews was lower when the areas of organisation, flexible delivery and follow-up were merged.<br><br>It is important to understand that a pragmatic trial does not necessarily mean a low quality trial, and in fact there is an increasing rate of clinical trials (as defined by MEDLINE search, however this is neither sensitive nor specific) that use the term 'pragmatic' in their abstract or title. The use of these words in abstracts and titles could suggest a greater awareness of the importance of pragmatism, but it is unclear whether this is manifested in the content of the articles.<br><br>Conclusions<br><br>As the importance of real-world evidence becomes increasingly commonplace the pragmatic trial has gained traction in research. They are randomized trials that evaluate real-world treatment options with new treatments that are being developed. They are conducted with populations of patients that are more similar to those who receive treatment in regular care. This method can help overcome the limitations of observational research, like the biases associated with the reliance on volunteers, and the limited availability and coding variations in national registries.<br><br>Other advantages of pragmatic trials are the ability to use existing data sources, and a higher probability of detecting significant changes than traditional trials. However, they may be prone to limitations that compromise their validity and generalizability. Participation rates in some trials may be lower than expected due to the health-promoting effect, financial incentives, or competition from other research studies. Practical trials are often restricted by the need to enroll participants in a timely manner. Practical trials aren't always equipped with controls to ensure that the observed differences aren't due to biases in the trial.<br><br>The authors of the Pragmatic Free Trial Meta identified RCTs that were published between 2022 and 2022 that self-described as pragmatism. The PRECIS-2 tool was employed to determine the degree of pragmatism. It includes areas such as eligibility criteria and flexibility in recruitment, adherence to intervention, and follow-up. They discovered that 14 of these trials scored as highly or pragmatic sensible (i.e., scoring 5 or higher) in any one or more of these domains, and that the majority were single-center.<br><br>Studies that have high pragmatism scores tend to have more lenient criteria for eligibility than traditional RCTs. They also contain patients from a variety of hospitals. These characteristics, according to the authors, can make pragmatic trials more relevant and applicable in everyday practice. However they do not ensure that a study is free of bias. The pragmatism characteristic is not a definite characteristic the test that doesn't have all the characteristics of an explicative study can still produce valuable and valid results.

Revision as of 09:50, 28 December 2024

Pragmatic Free Trial Meta

Pragmatic Free Trial Meta is a non-commercial open data platform and infrastructure that supports research on pragmatic trials. It shares clean trial data and ratings using PRECIS-2 allowing for multiple and diverse meta-epidemiological studies to evaluate the effect of treatment on trials that employ different levels of pragmatism and other design features.

Background

Pragmatic trials are becoming more widely recognized as providing real-world evidence to support clinical decision-making. However, the usage of the term "pragmatic" is not consistent and its definition and assessment requires clarification. Pragmatic trials should be designed to inform policy and clinical practice decisions, rather than confirm a physiological or clinical hypothesis. A pragmatic trial should aim to be as similar to actual clinical practice as possible, including in the selection of participants, setting up and design as well as the implementation of the intervention, as well as the determination and analysis of outcomes as well as primary analyses. This is a significant difference between explanatory trials, as described by Schwartz & Lellouch1 which are designed to test the hypothesis in a more thorough manner.

The trials that are truly practical should not attempt to blind participants or the clinicians, as this may result in bias in estimates of treatment effects. Practical trials also involve patients from various health care settings to ensure that their results can be generalized to the real world.

Furthermore the focus of pragmatic trials should be on outcomes that are important to patients, such as quality of life or functional recovery. This is especially important when trials involve invasive procedures or have potentially serious adverse consequences. The CRASH trial29, for instance, focused on functional outcomes to compare a 2-page case-report with an electronic system for the monitoring of patients admitted to hospitals with chronic heart failure, and the catheter trial28 utilized symptomatic catheter-associated urinary tract infections as the primary outcome.

In addition to these features, pragmatic trials should minimize the trial's procedures and requirements for data collection to reduce costs. Additionally pragmatic trials should strive to make their results as relevant to actual clinical practice as possible by ensuring that their primary analysis is the intention-to-treat approach (as described in CONSORT extensions for pragmatic trials).

Many RCTs that don't meet the criteria for pragmatism but contain features contrary to pragmatism have been published in journals of varying kinds and incorrectly labeled pragmatic. This can lead to false claims of pragmatism and the use of the term should be made more uniform. The creation of a PRECIS-2 tool that provides an objective and standardized evaluation of the pragmatic characteristics is a first step.

Methods

In a pragmatic trial, the aim is to inform policy or clinical decisions by demonstrating how an intervention would be integrated into everyday routine care. This differs from explanation trials, which test hypotheses about the cause-effect connection in idealized conditions. In this way, pragmatic trials may have a lower internal validity than explanatory studies and be more prone to biases in their design, analysis, and conduct. Despite their limitations, pragmatic studies can provide valuable data for making decisions within the healthcare context.

The PRECIS-2 tool evaluates the level of pragmatism that is present in an RCT by assessing it on 9 domains that range from 1 (very explicit) to 5 (very pragmatic). In this study, the recruit-ment organization, flexibility in delivery, 프라그마틱 정품확인방법 정품인증; visit their website, 프라그마틱 슬롯무료 flexible adherence and follow-up domains received high scores, however, the primary outcome and the method of missing data were not at the limit of practicality. This suggests that it is possible to design a trial with excellent pragmatic features without damaging the quality of its results.

It is difficult to determine the degree of pragmatism within a specific trial because pragmatism does not have a single attribute. Certain aspects of a research study can be more pragmatic than others. Additionally, logistical or protocol modifications during the course of the trial may alter its score on pragmatism. Koppenaal and colleagues found that 36% of 89 pragmatic studies were placebo-controlled, or conducted prior to the licensing. Most were also single-center. This means that they are not very close to usual practice and are only pragmatic if their sponsors are tolerant of the lack of blinding in these trials.

Furthermore, a common feature of pragmatic trials is that researchers try to make their results more relevant by analyzing subgroups of the trial sample. However, this often leads to unbalanced comparisons and lower statistical power, increasing the likelihood of missing or misinterpreting the results of the primary outcome. In the case of the pragmatic studies included in this meta-analysis this was a serious issue since the secondary outcomes were not adjusted for differences in baseline covariates.

Furthermore, pragmatic trials can also present challenges in the collection and interpretation of safety data. This is due to the fact that adverse events tend to be self-reported, and are prone to delays, inaccuracies or coding differences. It is therefore crucial to improve the quality of outcome for these trials, and ideally by using national registries instead of relying on participants to report adverse events on a trial's own database.

Results

Although the definition of pragmatism may not require that all clinical trials are 100% pragmatist there are benefits of including pragmatic elements in trials. These include:

Enhancing sensitivity to issues in the real world, 프라그마틱 슬롯체험 reducing study size and cost, and enabling the trial results to be faster implemented into clinical practice (by including patients from routine care). However, pragmatic trials have their disadvantages. The right type of heterogeneity, like, can help a study generalise its findings to many different patients or settings. However the wrong type of heterogeneity could decrease the sensitivity of the test and, consequently, lessen the power of a trial to detect small treatment effects.

Many studies have attempted categorize pragmatic trials using various definitions and scoring methods. Schwartz and Lellouch1 created a framework to differentiate between explanation studies that confirm a physiological or clinical hypothesis and pragmatic studies that inform the choice for appropriate therapies in clinical practice. The framework was comprised of nine domains assessed on a scale of 1-5 with 1 being more informative and 5 was more practical. The domains included recruitment, setting up, delivery of intervention, flexible adherence and primary analysis.

The initial PRECIS tool3 had similar domains and a scale of 1 to 5. Koppenaal et al10 created an adaptation of this assessment, 프라그마틱 슬롯버프 dubbed the Pragmascope that was simpler to use in systematic reviews. They discovered that pragmatic reviews scored higher across all domains, however they scored lower in the primary analysis domain.

The difference in the analysis domain that is primary could be explained by the fact that most pragmatic trials process their data in an intention to treat manner while some explanation trials do not. The overall score for pragmatic systematic reviews was lower when the areas of organisation, flexible delivery and follow-up were merged.

It is important to understand that a pragmatic trial does not necessarily mean a low quality trial, and in fact there is an increasing rate of clinical trials (as defined by MEDLINE search, however this is neither sensitive nor specific) that use the term 'pragmatic' in their abstract or title. The use of these words in abstracts and titles could suggest a greater awareness of the importance of pragmatism, but it is unclear whether this is manifested in the content of the articles.

Conclusions

As the importance of real-world evidence becomes increasingly commonplace the pragmatic trial has gained traction in research. They are randomized trials that evaluate real-world treatment options with new treatments that are being developed. They are conducted with populations of patients that are more similar to those who receive treatment in regular care. This method can help overcome the limitations of observational research, like the biases associated with the reliance on volunteers, and the limited availability and coding variations in national registries.

Other advantages of pragmatic trials are the ability to use existing data sources, and a higher probability of detecting significant changes than traditional trials. However, they may be prone to limitations that compromise their validity and generalizability. Participation rates in some trials may be lower than expected due to the health-promoting effect, financial incentives, or competition from other research studies. Practical trials are often restricted by the need to enroll participants in a timely manner. Practical trials aren't always equipped with controls to ensure that the observed differences aren't due to biases in the trial.

The authors of the Pragmatic Free Trial Meta identified RCTs that were published between 2022 and 2022 that self-described as pragmatism. The PRECIS-2 tool was employed to determine the degree of pragmatism. It includes areas such as eligibility criteria and flexibility in recruitment, adherence to intervention, and follow-up. They discovered that 14 of these trials scored as highly or pragmatic sensible (i.e., scoring 5 or higher) in any one or more of these domains, and that the majority were single-center.

Studies that have high pragmatism scores tend to have more lenient criteria for eligibility than traditional RCTs. They also contain patients from a variety of hospitals. These characteristics, according to the authors, can make pragmatic trials more relevant and applicable in everyday practice. However they do not ensure that a study is free of bias. The pragmatism characteristic is not a definite characteristic the test that doesn't have all the characteristics of an explicative study can still produce valuable and valid results.