Initial psychometric testing of the SLIQ [10] resulted in a test-retest reliability between 0.63 and 0.97; a Cronbach α of 0.58 for diet and 0.6 for physical activity, and blinded external validity of 0.77. Validity correlation coefficients for diet, physical activity, and alcohol consumption are sufficiently strong to make the SLIQ useful in research and clinical settings. Validity Convergent/Concurrent. Question 1 asks “In general, would you say your health is □ Excellent □ Very Good □ Good □ Fair □ Poor.”. For instance, Item 1 might be the statement “I feel good about myself” rated using a 1-to-5 Likert-type response format. Psychometric and clinical tests of validity in measuring physical and mental health constructs,”, C. A. McHorney, J. E. Ware Jr., J. F. Lu, and C. D. Sherbourne, “The MOS 36-item Short-Form Health Survey (SF-36): III. Tests of data quality, scaling assumptions, and reliability across diverse patient groups,”, W. M. Hopman, T. Towheed, T. Anastassiades et al., “Canadian normative data for the SF-36 health survey,”, C. A. Spencer, K. Jamrozik, P. E. Norman, and M. Lawrence-Brown, “A simple lifestyle score predicts survival in healthy elderly men,”, C. Tudor-Locke, L. Burkett, J. P. Reis, B. E. Ainsworth, C. A. Macera, and D. K. Wilson, “How many days of pedometer monitoring predict weekly physical activity in adults?”, P. L. Schneider, S. E. Crouter, and D. R. Bassett, “Pedometer measures of free-living physical activity: comparison of 13 models,”, J. F. Hemphill, “Interpreting the magnitudes of correlations coefficients,”. Using an alpha of 0.05 and a beta of 0.2, we calculated that 153 participants would be needed to make sure that a correlation of 0.2 or more was statistically different from a correlation of zero. Convergent validity takes two measures that are supposed to be measuring the same construct and shows that they are related. We sent letters to 900 people in order to recruit 193 consenting patients who completed all the questionnaires. Concurrent Validity - A Question of Timing. ); there is also good correlation between the SLIQ physical activity component and the number of steps over three days as measured by a pedometer ( Others divide the correlation coefficient into three categories where an People with a score of 5 out of 8 or higher had a 5 times higher likelihood of dying within 5 years. Pearson’s correlation coefficients of concurrent and convergent validity. [19]. Press J to jump to the feed. CONVERGENT, DISCRIMINANT, CONCURRENT VALIDITY AND SF-6D was calculated with and without the weights which rep- RELIABILITY OF THE EQ-5D(CHILD): RESULTS resent the preferences of population about different health status. Press question mark to learn the rest of the keyboard shortcuts. This research was reviewed and approved by the Human Investigation Committee of Memorial University of Newfoundland, Canada. ). Therefore, our sample size of 193 provided sufficient power since all our correlations turned out to be greater than 0.2. Criterion validity (concurrent and predictive validity) There are many occasions when you might choose to use a well-established measurement procedure (e.g., a 42-item survey on depression) as the basis to create a new measurement procedure (e.g., a 19-item survey on depression) to measure the construct you are interested in (e.g., depression, sleep quality, employee commitment, etc. Some other types of validity are: Composite, Concurrent, Convergent, Consequential, Curricular and Instructional, Ecological, External, Face, Formative validity & Summative Validity, Incremental Validity, Internal, Predictive, Sampling, and Statistical Conclusion Validity. As the name suggests, concurrent validity relies upon tests that took place at the same time. The SRRS takes an interesting approach to assessing stress in a person’s life but one could argue there are more modern approaches, and perhaps we should have chosen one of those. The pedometer used, the Sportline SL330, has been shown to be equivalent to a reference pedometer which measures within 3% of the actual number of steps [21]. We believe the SLIQ is sufficiently valid when compared to reference standards to be useful as a brief assessment of an individual’s cardiovascular lifestyle in research and clinical settings. The details of the correlations are presented in Table 2 and Figures 1, 2, 3, 4, 5, and 6. The overall SLIQ lifestyle score correlated reasonable well with the eight-question risk scale In contrast to concurrent validity, convergent validity was consistently high across all comparisons in this study excluding WHR as measured by LS2D and Gulick tape. However, what is preferred is a measure that is short and easy, especially in a clinical setting where providers are busy and patients may be ill. For example, let’s say employers have designed their own scale to assess the leadership skills of their employees. Convergence of independent methods: the distinction between reliability and validity. Also, as anticipated, the LEAS-C was more strongly associated with emotion comprehension than emotion expression (Bajgar et al., 2005). is in the range we were expecting. In order to estimate this type of validity, test-makers administer the test and correlate it with the criteria. One hundred and ninety-three individuals from St. John’s, Newfoundland, and Labrador, Canada completed the SLIQ and reference standards for diet, exercise, stress, and alcohol consumption. Convergent Validity. Hence, a correlation of In 2010, with funding through the Healthy Aging Research Program of the Newfoundland and Labrador Centre for Applied Health Research, we conducted further validity testing. Component scores are summed to give a SLIQ score from 0 to 10 (0 = very unhealthy, 10 = very healthy). as a level of strong correlation. include concurrent validity, construct validity, content validity, convergent validity, criterion validity, discriminant validity, divergent validity, face validity, and predictive validity. The reference standards were a detailed Diet History Questionnaire (DHQ), the Social Readjustment Rating Scale (SRRS), the SF36 Health Status Questionnaire, and a survey of eight questions from a cardiovascular risk questionnaire. The concurrent validities between the test and other measures of the same domain are correlational measures of convergent validity. Psychometric properties of this scale have not been reported. Analysis. This re-quirement is evidence of convergent validity. Similarly, its correlation with the eight-question scale, which themselves have been shown to predict mortality, increases the SLIQ validity. of zero indicates no correlation and an Sign up here as a reviewer to help fast-track new submissions. They give employees the scale to fill out on the same day as a similar, but longer and decades-old leadership test. Concurrent validity is a type of evidence that can be gathered to defend the use of a test for predicting other outcomes. Second, a validity diagonal value should be higher than the val-ues lying in its column and row in the heterotrait-heteromethod triangles. Convergent validity video that explains the definition in a dynamic and interactive way. Discriminant validity occurs where constructs that are expected not to relate do not, such that it is possible to discriminate between these constructs. Contrasted groups. Using a pedometer for three days has been shown to be highly correlated with the level of physical activity [20, 21]. Convergent validity, a parameter often used in sociology, psychology, and other behavioral sciences, refers to the degree to which two measures of constructs that theoretically should be related, are in fact related. It is based on the assumption that different measures of the same hypothetical construct ought to correlate highly with one another if the measures are valid. Predictive validity; Concurrent validity; Convergent validity; Discriminant validity; I have to warn you here that I made this list up. The absolute value of the correlation for the stress component is the lowest of all the components, and we considered dropping it from the scale. The correlation coefficient, usually designated as “ ), SLIQ versus eight-question risk score ( Convergent validity is measured by comparing the instrument in question with another instrument that measures a related, but different, construct. None of the differences in convergent and concurrent validity between the BBS and DGI were significant. Concurrent validity is determined by comparing the score on the instrument of interest; in this case the SLIQ, with the score on a reference standard—a measurement tool that is known to accurately measure that same construct. The SLIQ is sufficiently valid when compared to reference standards to be useful as a brief assessment of an individual’s cardiovascular lifestyle in research and clinical settings. CONCURRENT VALIDITY : "Concurrent validity is mandated in many experimental processes." The DHQ collects detailed information on type and quantity of different foods (vegetables, fruit, grains, meat, fish, dairy products, etc.) Is there anyone that could explain it and provide some examples?? A) convergent validity B) discriminant validity C) criterion validity Apparently, the right answer is A), but I think you could still argue for C) in the following manner: Scores on the final exam is the outcome measure and GPA, amount of time spent studying, and class attendance predict it. share. Scatter plots with best-fit lines are also presented for each component. We are committed to sharing findings related to COVID-19 as quickly as possible. One reason is that Spencer included BMI which is not a lifestyle but rather a consequence of lifestyle; moreover, there have been no psychometrics conducted on the eight questions unlike the SLIQ which has a developing literature. Concurrent validity refers to whether a test’s scores actually evaluate the test’s questions. Some other types of validity are: Composite, Concurrent, Convergent, Consequential, Curricular and Instructional, Ecological, External, Face, Formative validity & Summative Validity, Incremental Validity, Internal, Predictive, Sampling, and Statistical Conclusion Validity. One is to correlate the scores between two assessment tools or tools’ sub-domains that are considered to measure the same construct. However, the SLIQ measures the person’s assessment of their current stress level while the SRRS simply scores stress events in a person’s life over the previous year. Finally, the study population was somewhat skewed towards women (65%) and older age group (mean age 65 years). It is this 12-question SLIQ that was tested in the initial psychometrics study published in 2008 [10] and which was used in this current study. In reality, even measured variables that are designed to measure different conceptual variables will often . It is a parameter used in sociology, psychology, and other psychometric or behavioral sciences. Limitations. 3 comments. Discriminant validity (or divergent validity) tests that constructs that should have no … And this for convergent validity: "Convergent validity refers to the degree to which scores on a test correlate with (or are related to) scores on other tests that are designed to assess the same construct. There are two forms of criterion-related validity: predictive validity and concurrent validity. These are discussed in detail in the Predictive validity section below. have been shown to predict mortality, why not we use them rather than the SLIQ for assessing lifestyle. ex. However, whilst concurrent validity compared a new measurement procedure with a well-established measurement procedure, both measurement procedures are new when testing for convergent validity. Testing for this type of validity requires that you essentially ask your sample similar questions that are designed to provide you with expected answers. This study provides further psychometrics on the Simple Lifestyle Indicator Questionnaire (SLIQ), a short, easy-to-use instrument which measures all these lifestyle characteristics as a single construct. An ANOVA was conducted to determine if the three categories, unhealthy, intermediate, and healthy, were separately distinguishable populations for each component and for the overall SLIQ score. and 0.665, resp. Convergent validity, a parameter often used in sociology, psychology, and other behavioral sciences, refers to the degree to which two measures of constructs that theoretically should be related, are in fact related. If they don’t, the questions might not be valid. The final comparison, between the SLIQ lifestyle score and self-assessed health on the SF36 (Question 1), is considered an assessment of convergent validity rather than concurrent validity in that the expectation is not that the correlations would be high but rather in the fair or moderate range. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Convergent validity refers to the observation of strong correlations between two tests that are assumed to measure the same construct. In convergent validity, we examine the degree to which the operationalization is similar to (converges on) other operationalizations that it theoretically should be similar to. Convergent validity states that tests having the same or similar constructs should be highly correlated. A French version is also available, but none of the psychometric testing has been carried out in French. This is expected … all SLIQ components are scored such that a higher number means a better lifestyle (in this case lower stress). Concurrent Validity vs Convergent Validity. Its psychometrics has been assessed in all age groups, genders, and many races and countries. It has been suggested that we should have used an accelerometer to measure actual physical activity rather than a pedometer. We assessed convergent validity and concurrent validity across each pair of proxy methods used to obtain a body composition measure (Table 1). This is because lifestyle and health status are not measurements of the same construct but rather related constructs. I think this might be what throwing me off most of all about it since those all are for the most part different things. There are two forms of criterion-related validity: predictive validity and concurrent validity. Convergent validity is measured by comparing the instrument in question with another instrument that measures a related, but different, construct. Convergent and concurrent validity of a report- versus performance-based evaluation of everyday functioning in the diagnosis of cognitive disorders in a geriatric population - Volume 30 Issue 12 - Elise Cornelis, Ellen Gorus, Karen Van Weverbergh, Ingo Beyer, Patricia De Vriendt As far as I could see they both increase the validity of research by showing that related variables or constructs are related to their research. Concurrent validity focuses on the extent to which scores on a new measure are related to scores from a criterion measure administered at the same time, whereas predictive validity uses the scores from the new measure to predict performance on a criterion measure administered at a later time. As the name suggests, concurrent validity relies upon tests that took place at the same time. values in the moderate-to-strong categories. Cost was one issue for us in this regard. ). Testing for this type of validity requires that you essentially ask your sample similar questions that are designed to provide you with expected answers. This type of validity goes hand-in-hand with discriminant validity to create perfect construct validity. Convergent validity for the LEAS-C as an objective assessment of emotion complexity in children was demonstrated by a significant association with an emotion comprehension task and two verbal tasks. Another way of measuring convergent validity is to look at the differences in test scores between groups of people who would be expected to score differently on the test. Physical activity score was compared with number of steps on a pedometer. Supplementary Figure 2: Show the 12 questions on the SLIQ and how raw and category scores are calculated for each of the five component scores and the Overall SLIQ scores. I’ve never heard of “translation” validity before, but I needed a good name to summarize what both face and content validity are getting at, and that one seemed sensible. Showing that an IQ test is valid by comparing the results of it to academic results and seeing a positive correlation. Categorically, a person is considered “unhealthy” if they have a SLIQ score of between 0 and 4, “intermediate” if the SLIQ score is between 5 and 7, and “healthy” if they score between 8 and 10 on the SLIQ. Lifestyle issues including physical activity, diet, smoking, alcohol consumption, and self-reported stress have all been shown to predispose people to higher risk of cardiovascular disease. Utility, i.e. Predictive Validity the extent that a measure predicts another measure regression analysis, discriminant analysis Concurrent Validity the extent that a measure simultaneously relates to another measure that it is supposed to relate correlation analysis Convergent Validity … More details on the SLIQ are in Section 2. Moreover, each participant wore a pedometer for three days and returned the pedometer to the research assistant. It measures five lifestyle risk factors and provides a score for each component, as well as an overall lifestyle score. The correlation with stressful life events is negative because on the SLIQ a higher score for stress means less stress whereas on the SRSS a higher count indicates more stress. Criterion-related validity is concerned with the relationship between individuals’ performance on two measures tapping the same construct. Convergent Validity. To demonstrate convergent validity, the authors also developed a communal overclaiming measure based on the technique previously developed to measure agentic self-enhancement (Paulhus, Harms, Bruce, & Lysy, 2003). The SRRS collects information on stressful life events in the past year. Convergent validity reflects whether two proxy measurements capture the same underlying construct while concurrent validity reflects the correspondence between a proxy measurement and a criterion method when captured simultaneously … Each component is assigned a category score of 0, 1, or 2, based on raw scoring of questions related to each component. If they don’t, the questions might not be valid. The concurrent validities between the test and other measures of the same domain are correlational measures of convergent validity. I know that convergent validity is a type of construct validity, and concurrent is a type of criterion validity, but I'm not sure of the exact difference. Two methods are often applied to test convergent validity. The additional variation in 6MWT explained by the DGI when added to a model with the BBS was 7.78% (95% CI: 0.6%, 15%). For concurrent validity, we hoped to achieve correlation coefficients of 0.4 or higher and ideally larger than 0.6. ”, quantifies the strength of the linear relationship between two variables. People deal with stress differently, and the person’s assessment of their own feelings of stress may be more important. Convergent validity is one of the topics related to construct validity (Gregory, 2007). The letters were printed on physician’s letterhead and signed by the physicians. 2.5. . This is despite use of the most conservative estimate—the lower bound of the 95% confidence interval for the Pearson Coefficient. Like to me the examples given just seem so similar, I have no clue how to differentiate them because in both examples they're comparing scores between two tests. Such a metric should also provide a test of the statistical significance of the match between observed and expected correlations, and provide confidence intervals for that match, taking into account the like-lihood that some of the validating variables may not be indepen-dent of one another. Convergent Validity – When two similar questions reveal the same result. Published on September 6, 2019 by Fiona Middleton. Convergent validity, along with discriminant validity, is a subtype of construct validity. Question 1 on the SF36 is used as a measure of self-assessed health status [15–18]. We expected a correlation coefficient in the range of 0.2 to 0.4. All participants gave their consent before enrolling in the study. Another way of measuring convergent validity is to look at the differences in test scores between groups of people who would be expected to score differently on the test. 2.0 for convergent validity, look at factor loading. The higher the score the higher the likelihood of experiencing stress [13, 14]. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. If it doesn’t show any signs of this validity, it may be measuring something else. Convergent validity is one of the topics related to construct validity (Gregory, 2007). Concurrent and Convergent Validity of the Simple Lifestyle Indicator Questionnaire, Primary Healthcare Research Unit, Discipline of Family Medicine, Memorial University of Newfoundland, St. John’s, NL, Canada, http://www.dmstat1.com/res/TheCorrelationCoefficientDefined.html, Completed college diploma or university degree, Some postgraduate or professional training, Completed postgraduate or professional training, Eight-question scale developed by Spencer et al. One hundred and ninety-three adults completed all the questionnaires allowing correlational statistics to be completed. between 0.0 and 0.3 indicates a weak relationship, 0.3 to 0.7 indicates a moderate relationship, and >7 indicates a strong relationship [22]. The scoring template is shown in SupplementaryFigure2. Discriminant validity . Concurrent validity in this study is determined for physical activity by comparing the physical activity score on the SLIQ with the steps on a pedometer; it is determined for diet by comparing the raw diet score on the SLIQ with the diet score on the DHQ; it is determined for alcohol by comparing the raw alcohol component on the SLIQ with the alcohol score on the DHQ; and it is determined for stress by comparing the raw stress score on the SLIQ with the stress score on the SRRS. hide. It also collects detailed information on alcohol consumption [11, 12]. Sorry if this isn't the right place to post this but I can't think of any other subreddit. , Convergent validity is a subcategory of construct validity. Divergent Validity – When two opposite questions reveal opposite results. We also report on convergent validity of the whole instrument and compare the overall SLIQ scores to scores on a similar series of questions that have been correlated with cardiovascular morbidity and morbidity. We will compare the SLIQ lifestyle score to the score on this eight-question scale [19]. Both convergent and concurrent validity are ways of assessing construct validity by examining the strength of the relationship between the scores from two different measurement procedures. Initial psychometric testing of its reliability, internal validity, and basic external validity testing was published in 2008 [10]. of 1 means a perfect linear relationship. The criteria are measuring instruments that the … , Both reliability and validity concepts require that agreement be-tween measures be demonstrated. Similarly, in a health research setting the issue of participant burden has to be considered and long detailed questionnaires should be avoided. Each participant provided basic demographic data and completed the SLIQ instrument, a detailed Diet History Questionnaire (DHQ) [11, 12], the Social Readjustment Rating Scale (SRRS) [13, 14], Question 1 on the SF36 Health Status Questionnaire [15–18], and a survey of eight questions on cardiovascular risk proposed by Spencer et al. The scoring template is shown in Supplementary Figure 2. Criterion validity A measurement technique has criterion validity if its results are closely related to those given by Related Psychology Terms. Marshall Godwin, Andrea Pike, Cheri Bethune, Allison Kirby, Adam Pike, "Concurrent and Convergent Validity of the Simple Lifestyle Indicator Questionnaire", International Scholarly Research Notices, vol. ", "Convergent validity refers to the degree to which scores on a test correlate with (or are related to) scores on other tests that are designed to assess the same construct. eaten on a weekly basis over the previous year. In this current study, validity was assessed by determining the correlation coefficients between the component raw scores on the SLIQ and the appropriate referencestandards(DHQ,SRRS,Question1ontheSF36, andstepperdayonthepedometer).ANOVAwasconducted This was the motive behind the development of the SLIQ. It has also been suggested that since the eight questions used by Spencer et al. Revised on June 19, 2020. Sorry if this isn't the right place to post this but I can't think of any other subreddit . A common denominator which most validity concepts share in contradis-tinction to reliability is that this agreement represent the convergence of independent approaches. K Bannigan and R Watson 3238 2009 Blackwell Publishing Ltd, Journal of Clinical Nursing, 18, 3237–3243. ), SLIQ versus alcohol consumption ( Criterion validity (concurrent and predictive validity) There are many occasions when you might choose to use a well-established measurement procedure (e.g., a 42-item survey on depression) as the basis to create a new measurement procedure (e.g., a 19-item survey on depression) to measure the construct you are interested in (e.g., depression, sleep quality, employee commitment, etc. The categorization of individuals as unhealthy/intermediate/healthy was assessed to determine if these three groups were from separate populations; that is, whether the mean and standard deviations of the SLIQ scores in these three groups were separated such that there was very little overlap. Opinion on how a given level of correlation between 0 and 1 should be interpreted varies in the literature. Validity Convergent/Concurrent. In this current study, validity was assessed by determining the correlation coefficients between the component raw scores on the SLIQ and the appropriate reference standards (DHQ, SRRS, Question 1 on the SF36, and step per day on the pedometer). Concurrent vs. Predictive Validity. As far as I could see they both increase the validity of research by showing that related variables or constructs are related to their research. Both types of validity are a requirement for excellent construct validity. E.G. Construct Validity: Convergent vs. Discriminant. ), SLIQ versus SRRS ( CONCURRENT VALIDITY: "Concurrent validity is mandated in many experimental processes." Convergent validity is a subcategory of construct validity. Is there anyone that could explain it and provide some examples?? This video covers material from Research Methods for the Behavioral Sciences (4th edition) by Gravetter and Forzano. Convergent/Concurrent. be at least moderately correlated with each other. The SF36 is a health status measurement tool used in over 4000 published studies worldwide. Like I'm reading up definitions online and they're saying this for concurrent validity: "Concurrent validity is the extent to which performance on a measurement is related to current performance on a similar, previously established measurement. To establish convergent validity, you need to show that measures that should be related are in reality related. report. Correlations between scores on the SLIQ and the reference standards were the SLIQ versus DHQ ( face validity, content validity, predictive validity, concurrent validity, convergent validity, discriminant validity (are you measuring what you are intending to measure) face validity. 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