Warrington and Weiskrantz (1970) found a dissociation on memory performance for amnesics and nonamnesics. This means that they found
a) amnesics had better recognition of words than nonamnesics, but worse performance on word fragment
completion
b) amnesics had worse recognition of words than nonamnesics, but they performed the same on word fragment completion
c) amnesics had better performance on explicit memory tests, but worse performance on implicit memory tests
d ) amnesics had better performance on implicit memory tests, but the same performance as nonamnesics on explicit memory tests
Answer: b
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A primary role of the ventral prefrontal cortex seems to be
a. assessing the personal significance of environmental events. b. making social judgments. c. thinking logically about future events. d. translating emotional reactions into appropriate feelings and actions. e. assessing sexual arousal.
Adoption studies consistently reveal that
A) about three-quarters of the differences in IQ among children can be traced to their genetic makeup. B) when young children are adopted into caring, stimulating homes, their IQs rise substantially. C) adopted children of low-IQ biological mothers score below average on IQ tests during the school years. D) adopted children score, on average, 15 to 20 points lower in IQ than their nonadopted agemates.
Bipolar disorder was formerly known as _____ disorder
A) ?manic-depressive B) ?multiple personality C) ?schizophrenic D) ?major depressive
A student feedback form asks students to estimate how often class was cancelled. Results show that estimates on this scale do not match the actual number of class cancellations. A follow-up showed that many students thought the question asked them how many times they skipped class and not how many times their professor cancelled class. Which of the following is an accurate description of the reliability and validity of this survey item measure?
A. The measure has high reliability and low validity. B. The measure has low reliability and high validity. C. The measure has low reliability and low validity. D. The measure has high reliability and high validity.