Genetic studies of schizophrenia have found that ____
a. there are probably several possible genes that increase a person's risk for schizophrenia
b. a single gene on the X chromosome accounts for most cases of schizophrenia
c. schizophrenia has about the same heritability as Huntington's disease
d. dizygotic twins are more concordant for schizophrenia than monozygotic twins
a
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Why has the concept of "g" remained so popular among psychologists?
a. "g" takes into account musical, athletic, and creative forms of intelligence. b. The research clearly shows the idea of multiple intelligences is not valid. c. Most of the research on intelligence is based on the psychometric approach. d. The multiple-intelligence theory is widely accepted.
In an experimental design, the manipulated variable that is the presumed cause is called the ____ and the behavior that is the presumed effect is called the ____
a. treatment; control b. independent variable; dependent variable c. independent variable; dependent variable d. experimental variable; confound variable
George is an extremely shy preschooler. In order for George to acquire effective social skills, he will need __________
A) medication to increase his left frontal brain wave activity B) to be exposed to increasingly stressful social situations C) to be sheltered from criticism and social stress D) parenting tailored to his temperament
Words of encouragement and support to oneself is known as _______
a. external self-talk b. positive self-talk c. negative self-talk d. internal self-talk