Which of the following family relationships shows the most similarity in measured intelligence?
a. Siblings
b. Adopted child and siblings c. Monozygotic twins
d. Dizygotic twins
c
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Suppose we wanted to predict success in graduate school on the basis of undergraduate G.P.A., IQ, and professor ratings. The statistical method that would be most useful is
a. bivariate correlation. b. Spearman's rho. c. multiple regression. d. factor analysis.
Which of the following is true about parental investment?
A. Males are more selective about with whom they choose to mate than females. B. Males of many species are free to mate with as many females as they can. C. Investment in selecting a mate is larger for males than for females. D. Males select mates who are more likely to be good parents.
How do psychodynamic theories differ from humanistic theories?
A. Psychodynamic theories emphasize unconscious thoughts, needs and emotions, but humanistic theories focus on human experience, problems, and potentials. B. Psychodynamic theories consider the self-image a central determinant of behaviour and personal adjustment, whereas humanistic theories consider the whole person C. Psychodynamic theories pay special attention to the fuller use of human potentials; humanistic theories emphasize unconscious forces. D. Psychodynamic theories focus more on physical aspects of the individual, whereas humanistic theories stress the emotional aspects of the individual.
Which statement regarding obsessive-compulsive disorder (OCD) is correct?
A. Individuals with OCD do not realize they have irrational obsessions B. Compulsions are usually mild and do not interfere with daily life. C. Obsessions are rarely comorbid with other disorders. D. OCD behaviors may be extreme examples of functional behaviors.