The Kruskal-Wallis Test Is an Extension of Which of the Following

question 1

Multiple Choice

The Kruskal-Wallis test is an extension of which of the following for two independent samples?

• A)Pooled-variance t test
• B)Paired-sample t test
• C)Wilcoxon rank sum test
• D)McNemar test

Understand the importance and calculation of interrater reliability in observing behaviors.

Know how to determine and interpret scores on psychological tests, including true, observed, and error scores.

Comprehend the principle and application of Cronbach’s alpha in measuring internal consistency.

Recognize the maximum level of validity achievable and its relationship with reliability coefficients.

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Definitions:

Difference

The quantitative distance or discrepancy between two values or results.

Test-Retest Reliability

The consistency of a measure or test over time, assessed by administering the same test to the same group on two different occasions.

Scores

Represents numerical expressions of performance or achievement often used in assessments and research.

Time 1

Refers to the initial point or first measurement time in a longitudinal study or time-series analysis.