Professors Chase and Sanborn Are Conducting an Experiment on the Effects

question 51

Multiple Choice

Professors Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group and their recall of items on a word list is later assessed. Which pair below correctly names and identifies the variables in this experiment

• A)word recall-outcome variable; caffeine-predictor variable
• B)word recall-independent variable; caffeine-dependent variable
• C)word recall-dependent variable; caffeine-independent variable
• D)word recall-experimental variable; caffeine-control variable

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Definitions:

Male Breast

Tissue found on the chest of males that can develop similarly to female breasts under certain conditions, though typically less pronounced.

Female Breast

A pair of mammary glands on the chest of women and female mammals, which can produce milk to feed infants.

Anus

The opening at the end of the digestive tract through which feces exits the body.

Rectum

The final section of the large intestine, terminating in the anus, where feces are stored before evacuation.