An experiment is being conducted in which runners perform on a treadmill. The physical performance is quite demanding, and several subjects decline to participate for the entire experiment. A threat to validity is:
a. experimental mortality.
b. maturation.
c. differential selection of subjects.
d. selection-maturation interaction.
a
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You have a group of male high school math teachers with high scores on authoritarianism and you want to investigate the influence of authoritarianism on students' attitudes toward math. What kind of a comparison group would you choose to provide the most control in this study?
a. a group of high school teachers with low scores on authoritarianism b. a group of high school math teachers with low scores on authoritarianism c. a group of male high school math teachers with low scores on authoritarianism
A well-functioning family will
a. never have any disagreements. b. nurture children’s relationships with their peers. c. help children to be competitive. d. make sure children get enough sleep.
____________________ involves leaning slightly forward toward the speaker, maintaining eye contact, and providing nonverbal feedback
Fill in the blank(s) with correct word
Taking into account Vygotsky's concept of the zone of proximal development, explain why the tasks that Sharon Osmer assigns to Tyler are developmentally inappropriate
What will be an ideal response?