The second trimester is the trimester in which the most important embryonic development takes place
Indicate whether the statement is true or false
F
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If other factors are held constant, which of the following sets of data is most likely to produce a significant value for the repeated-measures t statistic?
a. n = 15 and MD = 2 c. n = 30 and MD = 2 b. n = 15 and MD = 4 d. n = 30 and MD = 4
Researchers studying the relationship between placebo effects and the cost of medicine reported:
A. the placebo effects depend on both the cost and the patient's perception of the doctor's competence B. no relationship was found C. the pricier the pill, the stronger the placebo effects D. the pricier the pill, the weaker the placebo effects
A teacher determines that Mark frequently fights with other children, because his friends praise him when he fights. The teacher would like to use extinction on his behavior, but she has no control over how Mark's friends react to his fighting. Which consideration in the use of extinction is being addressed?
a. ability to maintain consistency b. ability to eliminate the reinforcer c. whether it is safe to use extinction d. whether an extinction burst is tolerable
Research studies focusing on genetic factors in schizophrenia have found that a. an individual with a schizophrenic identical twin has the highest risk factor (almost 50 percent) of developing schizophrenia. b. in family studies of schizophrenia, the genetic influence can be separated from the environmental impact
c. if one person in a family has a particular subtype of schizophrenia, e.g., paranoid, the other family members inherit a predisposition for that subtype only. d. the more severe a parent's schizophrenic disorder, the less likely the children are to develop it.