A Repeated Measures T Test Is More Likely to Lead

question 21

Multiple Choice

A repeated measures t test is more likely to lead to rejection of the null hypothesis if

• A) subjects show considerable variability in their change scores.
• B) many subjects show no change.
• C) some subjects change a lot more than others.
• D) the degree of change is consistent across subjects.

---

Definitions:

Sensorimotor Stage

Piaget’s first stage of cognitive development, which lasts through infancy and is generally characterized by increasingly complex coordination of sensory experiences with motor activity.

Cognitive Development

The progression of learning and mental abilities, including thinking, problem-solving, and decision-making, from infancy through adulthood.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values.

Morphemes

The smallest grammatical units in a language, which carry meaning or function, such as words, prefixes, or suffixes.