In any experiment, the researcher must make sure that only the __________ variable is
manipulated.
a. hypothetical
b. independent
c. dependent
d. operationally defined
e. control
b. independent
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According to this hypothesis, sleep is necessary for fixing the wear and tear caused to the body during the day
A) restore and repair B) activation-synthesis C) preserve and protect D) problem-solving
Compared to Sternberg's perspective on love relationships, Lee focuses on:
a. secondary love styles only. b. individual love styles. c. the interactions between those involved. d. intimacy, passion, and commitment.
When a preschooler demonstrates a high level of empathy, she is less likely to
a. be capable of self emotional regulation. b. have an autobiographical self. c. be aggressive. d. develop increased cognitive skills.
Research in the area of perceptual development has led to the formulation of the moderate-discrepancy hypothesis. Define the moderate-discrepancy hypothesis
What types of educational materials would the moderate-discrepancy hypothesis predict are most likely to hold children's attention? Is this prediction consistent with the type of instruction that research in the sociocultural tradition has shown to be most effective? What will be an ideal response?