Which hypothesis/theory suggests that the primary motor cortex is suppressed so arousal during sleep cannot lead to action?
a. Freud's theory of dreams
b. the repair and restoration theory
c. a clinico-anatomical hypothesis
d. the evolutionary hypothesis
c
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A group of researchers wanted to determine whether people would eat more food in a cool room than in a hot room. Half the participants ate in a warm room (75?F) and half the participants ate in a cool room (65?F). The researchers then measured how much food was consumed in each of the two rooms. In this study, the dependent variable is:
a. the temperature of the room (75?F or 65?F) b. the type of food the researcher selects for the study c. the amount of food that is consumed d. how hungry the participants are at the start of the study
Research about the corpus callosum suggests that ____
a. ?the corpus callosum of females is far less active than that of males, resulting in greater lateralization b. ?differences observed between males and females may be related more to brain size than to sex c. ?certain regions of the corpus callosum tend to be larger in males, resulting in systematic differences in information processing d. ?male-female differences in the corpus callosum vary by culture, suggesting a role for development
According to research on demographic characteristics of cigarette smokers, which person below is most likely to be a smoker?
a. Martina, a 25-year-old Hispanic female with a college degree b. Jared, a 40-year-old Caucasian male with a family income of $30,000 per year c. Sandra, a 60-year-old Asian-American female with a family income of $75,000 per year d. Russell, a 50-year-old African-American male with a high school education
Every response is reinforced in a __________ schedule
A) partial B) ratio C) continuous D) interval