Question

A researcher wants to determine the effects of sleep on memory and decides to schedule two groups of subjects for a sleep study. What is the independent variable in the experiment?

A. Amount of sleep
B. Group B subjects
C. Memory
D. Group A subjects

Answer 1

The independent variable in this sleep study experiment is the amount of sleep.

Step-by-step explanation:

The independent variable in this experiment is Amount of sleep. The researcher wants to determine the effects of sleep on memory, so they are manipulating the amount of sleep that the subjects in each group receive. By scheduling one group of subjects for more sleep and the other group for less sleep, the researcher can compare the effects of sleep on memory.