In the formula for total variance, how is ??X2 calculated?
a. Add all the scores and then square the sum.
b. Add the scores in one group and then square the sum.
c. Square all the scores, and then add the squared values.
d. Square the scores for one group, and then add the squared values.
C
First square every score, and then add the squared values. When told to multiply (square) and add, but given no parentheses, multiply first and then add.
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What does it mean to have a “double-blind” trial?
A. The participant doesn’t know whether or not they are receiving the treatment of interest B. The researcher doesn’t know whether or not the participant is receiving the treatment of interest C. Neither the participant or the researcher knows whether or not the participant is receiving the treatment of interest D. Both the participant and the researcher know whether or not the participant is receiving the treatment of interest
The Hawthorne effect is an example of
a. experimenter effects. b. demand characteristics. c. experimenter bias. d. ceiling effects.
Although women can certainly become physically aggressive in some settings, aggression and ____________________ are secondary reactions to threat
Fill in the blank(s) with correct word
The _____ approach to adolescence focuses on uncovering ways to support teens in their eagerness to explore and understand
A) positive development B) nomothetic C) scientific D) medical