At Folger University, Drs. 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; their recall of items on a word list is later assessed. Which pair correctly identifies a variable in this experiment?

A) caffeine â€" dependent variable

B) word recall â€" experimental variable

C) caffeine â€" independent variable

D) word recall â€" independent variable

Question

Social Studies

Ruben

11 August, 16:38

At Folger University, Drs. 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; their recall of items on a word list is later assessed. Which pair correctly identifies a variable in this experiment?

A) caffeine â€" dependent variable

B) word recall â€" experimental variable

C) caffeine â€" independent variable

D) word recall â€" independent variable

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Answers (1)

Know the Answer?

Evelin · Answer 1

C) caffeine is the independent variable

Explanation:

Caffeine is the independent variable and word recall is the dependent variable. Word recall is dependent on the presence or absence of caffeine.