Dr Callahan Has Rearranged Study Hall and Class Work Time

question 125

Multiple Choice

Dr. Callahan has rearranged study hall and class work time so that class work time now comes before lunch in an effort to better keep students' attention. He wants to know if this new arrangement has improved student's study time compared with last semester's class. What statistical test would be appropriate to use in order to determine if the current class of students has benefited from the rearrangement of classes?

• A) an independent samples t-test
• B) a paired samples t-test
• C) a one-way ANOVA
• D) a single-sample t-test

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Definitions:

Measures

Tools or instruments used in research to quantify or qualify variables of interest.

Coefficient Alphas

A statistical measure used to assess the reliability or internal consistency of a test or scale.

Homogeneity

The degree to which a set of elements, such as group members or data points, are similar or uniform in nature.

Reliability Estimates

Statistical measures that assess the consistency or repeatability of a scale, test, or measurement tool over time.