The psychologist tests the null hypothesis that the level of depression of fourth graders in this class does not differ from fourth graders in general at the school and obtains a t score of –0.20
The decision regarding the null hypothesis would be to
A) reject it.
B) fail to reject it.
C) adjust the power.
D) increase the sample size.
B
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A psychologist who is asking abstract and hypothetical questions might be trying to determine whether a child is in which stage of cognitive development?
a. Preoperational b. Concrete operations c. Sensorimotor d. Formal operations
Natika had been working at Abercrombie Industries for six months when her boss asked to see her in his office. She thought he wanted to talk about a promotion, so she was quite excited. However, instead of giving her a promotion, the boss told Natika she was being laid off as a result of company downsizing. Natika could feel her heart pounding as she listened to the news. Natika was able to find
a new job, but every time her new boss asks to talk to her in private, Natika feels a little faint. In this example of classical conditioning, her pounding heart when her old boss delivered the bad news to Natika is: a. an unconditioned stimulus b. a conditioned stimulus c. a conditioned response d. an unconditioned response
Which of the following statements about children's motor development is true?
a. Children develop motor skills in a consistent sequence. b. The age at which a child develops a motor skill may vary from one child to another. c. Both genetic codes and environment influence the development of motor skills. d. All of these.
Is systematic desensitization effective for treating phobias?
What will be an ideal response?