When Holt begins walking, his parents, now increasingly aware of table heights, sharp corners, and other hazards, often repeatedly yell out in fear and sometimes anger. What can be predicted about Holt's initial response to his parent's outbursts?
A. Holt will be conditioned to avoid danger.
B. Holt will respond with fear and anger.
C. Holt will ignore his parents and attempt more daring activities.
D. Holt will refrain from walking and revert to crawling more often.
Answer: B
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a. secure b. anxious-avoidant c. anxious-resistant d. disorganized
How do researchers calculate the discrimination index?
a. They calculate the difference between the percentage of upper performers and the percentage of lower performers who responded correctly. b. They calculate the percentage of test takers who answered the item correctly. c. They compare the percentage of test takers who answered the item correctly by demographic group. d. They develop a matrix that contains the results of the item analyses for each item and calculate a score by adding the matrix columns.
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A) Assortive mating B) Filter theory C) Heterogeneity D) Parental investment theory
A null finding is one in which the decision was to reject the null hypothesis.
Answer the following statement true (T) or false (F)