In an experiment to test the effects of varying amounts of anxiety on performance, the independent variable is the ______
a. amount of anxiety
b. age of the subject
c. subject's performance
d. cause of the anxiety
a
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Looking at the concordance rates for autism found in twin studies and family studies, Newschaffer and colleagues (2007) believe that autism is primarily the result of ____
a. genetic factors b. genetic and environmental factors c. environmental factors d. sociocultural factors
Jay is writing a song about his use of an emotional coping strategy in dealing with his relationship problems. Which song title is most appropriate?
a. ?"Taking Action to Change My Ways" b. ?"Meditation for My Soul" c. ?"Catastrophize Our Love" d. ?"Friends Will Keep Me Strong"
Which statement is the most accurate?
a. ?We are either left-brain or right-brain thinkers. b. ?No new neurons develop after infancy. c. ?Both legal and illegal drugs can cause brain damage. d. ?During sleep, the brain rests.
Binet and Simon defined mental age as the
a. likelihood that the child will resist mental disorder. b. child's ultimate intellectual potential. c. child's present age, in years and months. d. age that best fits the child's current level of intellectual performance.