Sima believes that wearing black clothing causes people to behave more aggressively. In her experiment, she randomly assigns people into two groups. In Group A, participants are given black shirts to wear, while participants in Group B are given white shirts to wear. Each participant is then asked to play a violent video game for fifteen minutes and his or her score is computed. In this experiment, each participant's video game score is the ____ variable.
a. dependent
b. random
c. independent
d. confounding
Question 2
Dr. Jones is studying the effects of fatigue on aggression. He hypothesizes that the more fatigue a person is experiencing, the more aggressively the person will behave. Dr. Jones's control group should be composed of ____participants.
a. nonfatigued
b. fatigued
c. aggressive
d. nonaggressive
black cohosh
Structure of a Schwarzschild (Nonrotating) Black Hole
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Skeletal remains from the Sima de los Huesos, Sierra de Atapuerca, Spain.
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
Black Truffles