It is not possible to have an interaction effect unless one of the variables also has a main effect
Indicate whether the statement is true or false
F
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Which of the following is TRUE?
a. Juvenile offender-based intervention programs greatly reduce juvenile delinquency rates. b. Social systems-based strategies to reduce juvenile delinquency focus on teaching social skills and problemsolving skills to offenders. c. Early childhood intervention programs show reductions in aggressive and delinquent behavior. d. There are, to date, no effective ways at reducing juvenile delinquency.
If researchers reported that, for a correlated-groups design, t(20) = 3.57, p <.05, you can conclude that:
a. the null hypothesis should be rejected. b. you should fail to reject the null hypothesis. c. the alternative hypothesis was incorrect. d. the study needs to be repeated.
Which of the following would NOT be in a parent training program designed as part of a treatment plan for a disruptive behavior disorder?
a. How to use a token economy for prosocial and antisocial behaviors b. Importance of increasing daily monitoring and supervision of a child c. Importance of addressing minor inappropriate behaviors quickly and firmly d. Giving commands to a child that are clear, short, and linked to consequences
The prearranged signals that LaBerge's lucid dreamers displayed showed that
a. sleep deprivation causes hypnopompic hallucinations. b. people do dream in the NREM sleep stages. c. condensation and displacement disguise dream content. d. voluntary action in dreams is possible.