Using the within-subjects design, what strategy is used to eliminate between-persons variability from the denominator of the test statistic in the following situations? a. when comparing two group meansb. when comparing two or more group means
What will be an ideal response?
(a) Scores are reduced to one column of difference scores, thereby removing between-persons variability. (b) Between-persons variability is calculated and then removed from the denominator of the test statistic.
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When you read a list of words, how could you increase your depth of processing? a. Repeat each word over and over as many times as possible. b. After you read each word, close your eyes for a few seconds. c. Think about the meaning of the words on the list
d. Write each word in large capital letters.
Another name for sampling error is
a. variability due to chance. b. error variance. c. constancy. d. both a and b
Which of the following is an example of nonassociative learning?
a. ?Andrea recently learned how to drive a car. At first she found merging into highway traffic very stressful, but now can do it with ease. b. ?As a child, Maxwell had a frightening experience with his neighbor’s large dog. He now fears all large dogs. c. ?Hoping to understand more about her parent’s culture, Parvati carefully watches as her grandmother prepares a traditional South Indian meal. d. ?Gabriel tells his 4-year-old daughter each night: “No dessert until you eat your dinner without complaining.” To get the dessert, his daughter obeys.
Which of the following is the best definition of a psychoactive drug?
a. A drug produced by the brain in order to stimulate sensory experiences in the visual system b. Any substance which has been declared illegal for use or for use without a prescription c. Chemicals which affect the nervous system, resulting in altered consciousness and perceptions d. Neurotransmitters which, when released, change the behavior of an individual