An experimenter exposes participants to different room temperatures to determine their effects on aggression. In this experiment, the room temperature is the
A) independent variable.
B) dependent variable.
C) control variable.
D) confounding variable.
Ans: A) independent variable.
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One person became blind because of eye damage and another because of damage to the visual cortex. How do they differ? a. The one with cortical damage can describe what an object is, without knowing where it is. b. The one with cortical damage can learn to identify colors by touching them
c. The one with eye damage still wakes up when the sun rises. d. The one with eye damage still has visual imagery and visual dreams.
The brain transforms the speed of moving objects into indicators of distance because of a depth cue called:
a. interposition c. linear perspective b. motion parallax d. retinal disparity
Stage theorists believe that changes from one stage to another, reflect discontinuity of development
Indicate whether the statement is true or false
Which of the following is NOT evidence that adenosine may be involved in the chemical induction of sleep?
a. adenosine is produced by brain activity b. adenosine inhibits the RAS c. adenosine has an inhibitory effect on neurons than maintain arousal d. caffeine blocks the receptor sites for adenosine