Research suggests that veterans experience significantly higher rates of PTSD than the general population. For example, a study conducted from 1986 to 1988 found that _________ of male veterans and ____________ of female veterans reported experiencing PTSD in their lifetime.
A. 26.9%; 30.9%
B. 30.9%; 26.9%
C. 15.2%; 8.2%
D. 8.2%; 15.2%
Answer: B
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Identify a true statement about the types of reinforcers
A) The short-term consequences of behavior often provide more of an incentive than the long-term consequences. B) Delayed reinforcers are more effective than immediate reinforcers. C) A primary reinforcer acquires its value through association with established reinforcers. D) The effectiveness of a primary reinforcer is based on learning.
Checking on whether the new measure is different from measures from which it should, indeed, be different provides an assessment of ____ validity
a. content b. face c. discriminant d. concurrent
Which of the following is a crucial determinant of a person's intellectual development?
A. Giftedness B. Creativity C. Heredity D. Plasticity
Which of the following is the smallest unit of language that carries meaning?
A. a phoneme B. a vowel C. a morpheme D. a consonant