In the precedence effect, the sound from the far speaker _____
A) ?does not contribute to the perception of the sound
B) ?only helps sound localization if the time difference is less than 5 milliseconds
C) ?only helps sound localization if the time difference is less than 2 milliseconds
D) ?contributes to the quality of the sound
D
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Regarding SIDS and infant suffocation, which of the following statements is FALSE?
a. A risk factor for SIDS includes a baby's bed that contains soft objects, like comforters and pillows. b. SIDS rarely occurs after an infant is one year old. c. The safest position for most infants is sleeping on their stomach. d. Many infant suffocation deaths can be attributed to overlaying.
Regarding sex as a biological motive, which of the following statements is FALSE?
a. Sex is homeostatic and necessary for individual survival. b. In most animals, castration will abolish the sex drive. c. In lower mammals, the sex drive of the male is primarily aroused by the behavior and scent of a receptive female. d. In lower mammals, the normal female is interested in mating only when their fertility cycles are in the stage of estrus, or "heat.".
Regarding bystander intervention, which of the following is the first step in the decision-making process one must go through before giving help?
a. define the event as an emergency b. take responsibility c. notice that something is happening d. select a course of action
The motor cortex produces a kind of activity called a(n) ____ before any voluntary movement.
A. readiness potential B. action potential C. evoked potential D. motor potential