The advantage of the between subjects design is that in this design, _____
a. establishing equivalent groups not a problem
b. there is more internal validity
c. multiple treatment effects are not a problem
d. fewer people need to be recruited as participants
C
The between subjects design has different people in the control and experimental conditions. Each participant experiences only one condition; therefore order effects are not a problem.
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Which test examines the embryo or fetus during the first 23 weeks of pregnancy by means of a fiber-optic device inserted through the cervix?
A. embryoscopy B. amniocentesis C. somnambulism D. chorionic villus sampling (CVS)
Chapter 13 reviews two cases in which it was claimed that racial discrimination existed in the assignment of children to special education classes. What was the outcome in these cases?
A. In both cases the judge ruled that bias did not exist against African American children. B. In both cases the judge ruled that it had not been shown that bias existed against African American children. C. In the California case, the judge ruled that bias had been shown, but in the Chicago case, the judge found no bias. D. In the Chicago case, the judge ruled that bias had been shown, but in the California case, the judge found no bias.
Jeff is 13 years old and he has recently noticed some remarkable changes in himself. Over the past few months his voice has started to change, growing deeper
He has begun to grow pubic hair, as well as the beginnings of a facial beard. He is also filling out, with his muscles developing rapidly. These changes in Jeff are probably due to the action of _____________. a. gonads b. thyroid gland c. pineal gland d. adrenal gland
Companionate love is most often felt for
A) romantic partners. B) family. C) sexual partners. D) someone you've just met.