__________ develop when two eggs each get fertilized by two different sperm, resulting in two zygotes in the uterus at the same time
a) Monozygotic twins
b) Fraternal twins
c) Dizygotic twins
d) Wombmates
c
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Ego identity is
a. one's answer to the question, "Who am I?" b. an identity adopted from one's parents. c. the same as self-esteem. d. established by approximately age 8.
Which of the following is a finding from Harry Harlow’s study (1958) of rhesus monkeys and attachment??
a. ?The pleasure obtained through feeding formed the basis of the mother-infant bond. b. ?The wire mothers with an attached milk bottle were the preferred source of comfort for food and emotional needs. c. ?The infant was positively reinforced with food for staying near the mother. d. ?The mother’s ability to provide contact comfort was critical in forming a strong attachment on the part of her infant.
Axons are frequently covered with a sheath known as __________
a. dopamine b. the exoskeleton c. myelin d. the dendritic membrane
The first experiments in cognitive psychology were based on the idea that mental responses can be
a. measured directly. b. inferred from the participant's behavior. c. measured by comparing the presentation of the stimulus and the participant's response. d. measured by comparing responses among different participants.