Professor Sandis Is Interested in the Development of Cognitive Abilities

question 403

Multiple Choice

Professor Sandis is interested in the development of cognitive abilities. So he designs a research study using a cross-sectional design. He considered a longitudinal design, but it was too time consuming. To avoid any interpretation problems, he should consider using

• A)a mixed methods design
• B)a sequential design
• C)a non-random replacement design
• D)an individual design
• E)a multiple treatment design

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Definitions:

Two-tailed Test

A statistical test that considers both directions of an effect or relationship, testing for the possibility of positive or negative differences.

ANOVA Test

A statistical method used to determine if there are any statistically significant differences between the means of three or more independent groups.

Cohen's D Test

A measure of effect size that evaluates the difference between two means relative to the standard deviation of the sample.

Directional

Pertains to tests or hypotheses that specify the expected direction of the relationship or difference between variables.