Imagine That a Study of Memory and Aging Finds That

question 138

Multiple Choice

Imagine that a study of memory and aging finds that younger participants correctly recall 55 percent of studied words, older participants correctly recall 42 percent of studied words, and the size of this effect is Cohen's d = 0.49.This effect size indicates that the memory performance of:

• A) older participants is approximately half a standard deviation above that of younger participants.
• B) older participants is approximately half a standard deviation below that of younger participants.
• C) younger participants is approximately half a standard deviation below that of older participants.
• D) younger participants is significantly lower than that of older participants.

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Definitions:

Communication Research

focuses on the study of how people use messages to generate meanings within and across various contexts, cultures, channels, and media.

Observation

The active acquisition of information from a primary source using the senses or instruments.

Triangulation

The use of multiple methods or data sources in research to enhance the validity of the findings.

Distant

Far away in space or time.