Convergent validity

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    Tests need to be accurate (i.e. valid) for the researcher to know the test can be trusted. Tests have a concept or framework that guide what the test is supposed to measure. Construct-based validity evidence is used to measure to the degree that the test is measuring that construct. This type of validity has two subparts: discriminant validity and convergent validity. When constructs are not supposed to be related, discriminant validity checks to see if they are in fact unrelated. On the other hand, when constructs should be related, convergent validity checks to see if they are related. To assess both convergent and discriminative validity, the multi-trait multi-method matrix is used. A test can have multiple parts of a construct that need…

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    There are “three types of measurement validation”: content, convergent/discriminant, and nomological/construct validation. Content Validation is preoccupied with the questions whether or not key elements are “omitted from the indicator” and whether or not “inappropriate elements are included in the indicator.” Although content validation is an “important contribution” to measurement validity, its chief limitation is that “alone it is incomplete, for two reasons”: “first, although a necessary…

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    Validity speaks to the magnitude to which the interpretations of test scores are grounded in theory and evidence. Validity is one of the most fundamental things to think about when evaluating psychological test. The question of validity can be expressed from three different perspectives, purpose of the test, the form the test comes in and the population being served. Therefore, researchers should never say “the test is valid.” Instead, researchers should state that the test is valid enough…

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    Case Study Of Demographics

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    Influences on reliability include: the test itself; how the test is administered and scored; and the test taker. All of these items can cause errors. The TSI reports a reliability rating on each scale and overall reliability of .93 for a combined sample of 3,401 teachers across the US. Kourmousi, Darviri, Varvogli, & Alexopoulos (2015) adapted the TSI to a Greek version and ran a comparison against the Perceived Stress Scale in which they were able to obtain similar results as well as show…

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    Traditional Methods of Validity vs. the Process-Focused Model Amy Wilhelm Kaplan University PS505: Testing, Measurement and Assessment Dr. Raymond Brogan December 16, 2014 Traditional Methods of Validity vs. the Process-Focused Model Testing and assessments are used continuously in many areas of clinical psychology. The testing instrument needs to be considered reliable and valid. Cohen, Swerdlik and Struman (2013) define validity as being the estimate of how well the test…

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    Coping Styles

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    Reliability and Validity of Stress and Coping Styles Measurement Although extensive research has been conducted to analyze the factors influencing hopelessness depression (HD), there has been lesser research focused on the factors contributing to HD in adolescence. In “Daily stress and coping styles in adolescent hopelessness depression: Moderating effects of gender,” Rodriguez-Naranjo and Caño aimed to link daily stress and coping styles as factors contributing to HD in adolescence.…

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    The Self-Compassion Scale

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    Appendix B). Validity and Reliability An instrument is valid when it measures the construct it was designed for, and reliable when an instrument can consistently produce the same results over time, across different situations (Field, 2003). Content validity is an evaluation of the relationship between the items and the construct being measured (Cook & Beckman, 2006) and can be done in two ways. Firstly, a thorough revision of the construct would be required to avoid any ambiguities when…

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    habit like alcohol use it can lead to much more serious problems. If Jeffery is willing to be cooperative and honest, this assessment will be effective for his case. A reason to use the ADI is it measures the severity of any existing drinking problem. It also incorporates questions about fighting and getting in trouble. These problem behaviors often go together with alcohol use. The analyses of the ADI when it was being composed were performed with three different groups: “school sample” (the…

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    Test-Retest Reliability

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    instruments, however, when looking at the whole using several methods in research will provide better clearer results and instead of focusing on just one method maybe more than one should be used because the validity and reliability may have more conclusive…

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    Qualitative Study Design

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    Are The Reliability And Validity Of The Instruments Described? Did The Researcher Examine The Reliability And Validity Of The Instruments For The Present Sample? The reliability and validity of the instrument (CWEQ-II) that was used to measure nurse empowerment shows a construct validity that is substantiated in a confirmatory factor analysis that revealed a good fit of the hypothesized factor structure (RMSEA = .054) (Donahue, et al., 2008). The instrument also correlated highly with the…

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