According to the dynamic systems perspective,
A) children coordinate separate skills into more effective, emotionally expressive systems as the central nervous system develops.
B) children's goals and experiences have only a minimal impact on emotional development.
C) emotions become clear, well-organized signals by adolescence.
D) infants come into the world with a repertoire of basic and self-conscious emotions.
A
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A field experiment in which 6- to 9-year-old boys were given non-violent video games to play found that after 4 months of playing the games, the experimental group __________ compared to the control group.
A. did less reading and studying after school and had lower reading and writing scores in school B. did more poorly on math but not reading C. had both lower reading and writing scores and poorer math scores D. showed no evidence that the video games displaced other activities
Compared to psychoanalysis, cognitive-behavioral therapies tend to:
A) be less effective. B) be more expensive. C) require less effort from the client. D) take much less time.
What procedure can a researcher use to make sure that the various participant groups are kept roughly equivalent before exposure to an independent variable?
a. Snowball sampling b. Double-blind assignment c. Random assignment d. Single-blind sampling
In negative reinforcement, the ________ of a(n) ________ stimulus follows a behavior and changes the likelihood of that response reoccurring
a. termination; aversive b. termination; pleasant c. onset; aversive d. onset; pleasant