Essentially, measures of discriminant validity help us determine if two measures that should not be correlated/related are ACTUALLY not related. Divergence is thus concerned with empirically establishing a measure’s relative uniqueness. It is a test … Design of Experiments > Convergent Validity and Discriminant Validity. To assess construct validity in your dissertation, you should first establish convergent validity, before testing for divergent validity. The word "valid" is derived from the Latin validus, meaning strong. The extent to which divergent validity has been demonstrated is establish by the strength of the relationship between the scores that are obtained from the two different measurement procedures and research methods that you have used to collect data about the two constructs you are interested in. Therefore, we decided to examine whether sleep quality and sleep quantity are different constructs. 2019 Feb;73(2):111-117. doi: 10.1080/08039488.2019.1571628. To establish convergent validity, you need to show that measures that should be related are in reality related. What are Convergent Validity and Discriminant Validity? Divergent Validity. You may find it helpful to read this article first: What is Construct Validity? Discriminant validity tests whether believed unrelated constructs are, in fact, unrelated. As an example, let’s revisit the construct validity of the NTBS. For example, Egan, Chan, and Shorter (2014) showed differential correlates of well-being. Criterion validity A measurement technique has criterion validity if its results are closely related to those given by ... example, the construct validity of respiratory symptoms questions to children (Bland 1980). Therefore, if one of the measurement procedures you are using to establish construct validity is well-established, you should read the article: Concurrent validity. As you can see, separating and isolating constructs is difficult, and it is one of the factors that makes social science extremely difficult. Divergent validity is concerned with the extent to which a measure is novel in the sense of measuring something different from that provided by other measures. We will have started to demonstrate convergent validity if there is a strong relationship between the two scores (i.e., the scores from the measurement procedures used under the two different research methods). However, now that we look back at Study #1, we are concerned that we included sleep quantity within the same set of measures (e.g., the questions in the survey) that we used when measuring sleep quality. In the trinitarian approach to validity, convergent and discriminant validities form the evidence for construct validity (Hubley & Zumbo, 1996). The paradigm of mental health, and health in general, benefit from these system updates and upgrades. For example, self esteem and intelligence should not relate (too much) in most research projects. Specify. As an example, let’s revisit the construct validity of the NTBS. Construct validity can start to be established when you: Find that the scores that are obtained from the measurement procedures you used from two different methods to assess the construct you are interested in are strongly related; that is, the scores converge, suggesting that both measurement procedures reflect the construct you are interested in, establishing convergent validity. To do this, we will have two different measurement procedures and research methods to measure both constructs we are examining. Conversely, discriminant validityshows that two measures that are not supposed to be related are in fact, unrelated. If a test is found to correlate too strongly (or be too similar) with another test then it suggests that the tests are measuring the same thing and are too alike to be considered different. Convergent validity helps to establish construct validity when you use two different measurement procedures and research methods (e.g., participant observation and a survey) in your dissertation to collect data about a construct (e.g., anger, depression, motivation, task performance). See Table 1 below. Construct #2 = Sleep quantity Epub 2016 Feb 2. However, the distinction is quite straightforward. convergent and discriminant associations of a measure, researchers examine con-vergence and discrimination in terms of the constructs, behaviors, and properties within a specific nomological network. This video covers material from Research Methods for the Behavioral Sciences (4th edition) by Gravetter and Forzano. In the figure below, we see four measures (each is an item on a scale) that all purport to reflect the construct of self esteem. In order to establish convergent validity, the strength of the relationship between the scores from the two different measurement procedures, from the two different methods, is assessed. In psychological testing, Divergent Validity is used to determine if a test is too similar to another test. Convergent and divergent validity of the schedule for affective disorders and schizophrenia for school-age children - present and lifetime version diagnoses in a sample of children and adolescents with obsessive-compulsive disorder. 2016 Jul;70(5):358-64. doi: 10.3109/08039488.2015.1125944. validity, discriminant validity, divergent validity, face validity, and predictive validity. When participants in the study wake up in the morning, they record their sleep quality using a self-completed survey (i.e., they fill in a questionnaire). An example would be a test used by a company for hiring purposes that measures how proficient … Find that the scores obtained for the two constructs you are interested in diverge (i.e., are unrelated); that is, there is little or no relationship between the scores for the two constructs when comparing these scores using the same methods. Construct #1 = Sleep quality Since we had to establish convergent validity before we could establish divergent validity, we can also be satisfied that we have created two valid measurement procedures for sleep quality and sleep quantity (i.e., a survey and observational measurement procedure for sleep quality, and a survey and observational measurement procedure for sleep quantity). For example: Question 1: Do you wish you did not own product X? Reliability contains the concepts of internal consistency and stability and equivalence. Both types of validity are a requirement for excellent construct validity. There are several things that can interfere with construct validity. This sample Discriminant Validity Of Disorder And Crime Research Paper is published for educational and informational purposes only.If you need help writing your assignment, please use our research paper writing service and buy a paper on any topic at affordable price. The four types of validity. 4. validity, discriminant validity, divergent validity, face validity, and predictive validity. Divergence is thus concerned with empirically establishing a measure’s relative uniqueness. A determination along the latter lines is referred to as discriminant validity (de Vet et al., 2011; Streiner et al., 2015). Confused and have questions? But here is some methods that can be used to determine if the series is convergent or divergent. Let's look at an example: Study #1 In this article, we explain what convergent and divergent validity are, providing some examples. 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