For the t ratio, the only time a negative t value may occur is when
a. sample mean 1 is smaller than sample mean 2
b. sample mean 2 is smaller than sample mean 1
c. the sample means are equal
d. none of these, since t may never be negative
a
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Once people achieve formal operations in adolescence, they use it _________
a. about 25 percent of the time. b. in tasks that are unfamiliar to them. c. in almost every situation, across domains. d. selectively.
Consider someone you know, perhaps even yourself, who comes from a biracial family. What are some of the struggles that biracial teens have to overcome? Is what the text says consistent with your own experience?
What will be an ideal response?
In comparison to their male counterparts, women in which of the groups make the LEAST amount of money?
a. African American women b. White women c. Hispanic American women d. None of the other answers are correct because African American, white, and Hispanic American women all make about the same percentage of the average male income within their racial ethnic group.