To better understand bulimia among college students, a researcher lives in a female freshman dorm for the fall semester to observe and interview students about their stresses, attitudes, and eating behaviors. A limitation of this field study is ____
a. that it is too tightly controlled
b. the fact that it is actually a longitudinal study
c. the possibility that the researcher's presence influenced behavior
d. that it will have little external validity
c
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Fourth-grade teacher Julie Farraday finds that her students are very eager to be helpful. They seem to care about being productive and involved in the class, as well as in their school. Farraday's students are best described at which stage of psychosocial development?
a. Autonomy vs. shame and doubt b. Trust vs. mistrust c. Initiative vs. guilt d. Identity vs. role diffusion e. Industry vs. inferiority
From an evolutionary perspective, why is the conscious awareness of ongoing sensations advantageous for animals?
a. ?It enables animals to have a sense of mortality and a strong will to pass on their genes. b. ?It facilitates the development of complex motor and sensory control. c. ?It allows animals to respond instinctively to oncoming threats. d. ?It provides the opportunity to choose responses rather than to respond instinctively.
Why is the Aplysia such a popular animal for single-cell studies of learning? a. Aplysia have neurons that are virtually identical from one individual to another. b. Aplysia have greater learning abilities than other invertebrates
c. Aplysia have short-term learning but not long-term learning. d. Aplysia have only two neurotransmitters, one excitatory and one inhibitory.
Glinda the Good Witch does not worry about what is wrong with her life, like the Wicked Witch of the West does. Instead, Glinda is happy with what she already has. According to Maslow's theory, Glinda has a(n) ____.?
a. ?deficiency orientation b. ?Electra complex. c. ?growth orientation d. ?Oedipal complex