A correlation coefficient is represented by the symbol ________
a) large letter "C"
b) large letter "R"
c) small letter "c"
d) small letter "r"
ANS: d
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For a population of exam scores, a score of X = 83 corresponds to z = +0.50 and a score of X = 89 corresponds to z = +1.50 . The population mean is ? = 80
Indicate whether the statement is true or false
Binet and Simon defined mental age as:
a. a child's current age in years and months b. the age that best fits the child's current level of intellectual performance c. a child's ultimate intellectual potential d. the ratio of a child's current abilities to his or her chronological age
When looking in the yellow pages of the phone book, psychologists are usually found under the heading "Psychologists," or
a. "Mental Health Associations.". b. "Counseling Services.". c. "Mental Health Professionals.". d. "Physicians.".
In an experiment, pregnant rats were injected with testosterone. What were the results on their offspring?
a. There were no effects. b. Male offspring exhibited feminine mating patterns. c. Male offspring exhibited masculine mating patterns. d. Female offspring exhibited masculine mating patterns.