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Research Methods

Exam 2

measurement validity does the measure capture what it is supposed to capture? potential usefulness of test results.
research validity how well does study control extraneous factors? The degree to which the results of study can be directly attributed to the independent variable only. Internal & external validity; generalizability of findings
content validity how well all parts or items of instrument represent the aim/intention of the instrument; are there any parts that should be excluded from the instrument due to irrelevance to construct being tested.
criterion validity degree to which a measure is related to a measure w/ established validity
concurrent validity
construct validity reflection of the operational def of construct being tested
construct validity (2 types) 1. convergent validity 2.discriminant validity
analysis of convergent & discriminant validity Correlations: Pearson-prod (r), Spearman's rho (p), & Kendall's Tau (t) range from -1 to 1 Excellent correlation > 0.6 whether neg or positive correlation
2 types of criterion validity 1. concurrent validity 2. predictive validity
Created by: MeganFultz2