How do primary and secondary circular reactions differ?
a. Primary involve only reflexes, whereas secondary involve thoughts.
b. They are the same; one is just engaging in a more complex behavior.
c. Primary focuses on the body, whereas secondary focus on the environment.
d. Primary involves more important behaviors than secondary.
C
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On average, which of these starts at an earlier age today than it did 100 years ago?
a. Onset of senility b. Marriage c. Financial independence d. Onset of puberty
If you are dealing with raw data and you can assume a ____, you can predict the intervals within which 68, 95, and 99 percent of your cases would be expected to fall if you know the mean and standard deviation of a sample
a. normal distribution b. random sample c. representative sample d. bivariate distribution
What was believed to be the difference between traditional antipsychotic and atypical antipsychotic drugs that were developed in the 1990s?
a) The atypical antipsychotics were believed to be more effective while causing fewer side effects, but those hopes have not been fully realized. b) The atypical antipsychotics were more effective at addressing positive psychotic symptoms, whereas traditional medications were more effective at addressing negative psychotic symptoms. c) The atypical antipsychotics were believed to work on the dopamine system, whereas traditional antipsychotics were believed to work on the serotonin system. d) The atypical antipsychotics were believed to work with fewer doses and in less time than the traditional antipsychotics.
Dr. Mbotu is conducting a study to learn more about the relationship between IQ and
success in college. In carrying out this study, Dr. Mbotu carefully assigns his participants to groups so that the values of parental income and year in college are the same. The name for the procedure that Dr. Mbotu is using to control differences among his participants on these variables is a. randomization. b. matching. c. single-blind. d. double-blind. e. counterbalancing.