The organ that connects the mother's blood supply to that of the fetus is called the:
a. germinal c. placenta
b. teratogen d. baby-blood barrier
C
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The approaches used to study behavior can be placed on three continua. Of the following, which is not one of these continua?
a. scale of measurement b. role of experimenter c. research setting d. extent of control
Small-molecule neurochemicals are typically synthesized in the ________, but neuropeptides are synthesized in the ______.
A. cell body, axon terminal B. axon terminal, cell body C. axon terminal, axon terminal D. cell body, cell body
Individuals with a high need for approval are more likely to help when others are ________. This suggests that helping others can be a way to ________
A) present; relieve frustrations B) present; improve our social standing C) not present; manage our moods and emotions D) not present; benefit another in a purely altruistic way
The sum of squared errors is the sum of
A) each score on the criterion variable minus the predicted score, squared. B) each squared score on the criterion variable minus each squared predicted score. C) each score on the predictor variable minus the predicted score, squared. D) each squared score on the predictor variable minus each squared predicted score.