In a study of the effectiveness of cognitive therapy on anxiety, fifty anxious patients are divided into two groups. One group gets cognitive therapy, the other a fake kind of therapy that should have no benefit. However, the patients can tell that the second form of treatment is a fake. The study is weak because ____

a. its placebo condition did not control for expectancy
b. it did not include an independent variable
c. it confuses experimental designs with correlational designs
d. it did not have a placebo condition

A

Psychology

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Good _______ validity does not guarantee good _______

Fill in the blank(s) with the appropriate word(s).

Psychology

The Nussbaums' baby weighed less than 2,500 grams (around 5. 5 pounds). This new baby is referred to as a

a. low-birthweight infant. c. very-low-birthweight infant. b. small-for-gestational-age infant. d. small-fry infant.

Psychology