____ are aspects of the experimental procedure that the researcher directly controls.
a. Subject variables
b. Task variables
c. Environmental variables
d. Dependent variables
Answer: b. Task variables
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Piaget's work _____
a. stifled most research on children's cognitive development. b. demonstrated that infants are active participants in their development. c. pointed out the critical effect that genes play in abnormal trajectories of development. d. lent significant support to theories that emphasize the key role of unconscious elements of the mind (e.g. id) .
A test that can be used to accurately estimate future performance in a given area is said to have high:
a. predictive validity b. content validity c. reliability d. construct validity
To facilitate implantation, the endometrium must have been exposed to the appropriate levels of ____
a. estrogen and testosterone c. androgen and progesterone b. estrogen and progesterone d. testosterone and progesterone
If you sustain damage to your left primary motor cortex, you will have difficulty executing
movements on the __________ side of your body. a. ipsilateral b. contralateral c. posterior d. anterior e. left