What does the equation 
demonstrate?
What will be an ideal response?
This demonstrates how the estimated standard error is substituted into the original z-test formula to calculate the statistic t.
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Studies (Stoneman et al., 1986; McHale et al., 2001) showed that siblings differing in gender exert some gender socialization effects on each other. Which of the following did researchers find?
a. Girls and boys with an older sister engage in more masculine play activities. b. Older girls with younger brothers show more traditional gender role attitudes than girls with younger sisters. c. Girls and boys with an older brother engage in more masculine play activities. d. Older boys with younger sisters have more traditional gender role attitudes than boys with younger brothers.
During a growth spurt, which is (are) likely to grow first?
A) The torso B) Arms and legs C) Hands and feet D) The brain
The symptoms of seasonal affective disorder are reduced by
a. exposing people to bright light every day. b. simulating the gradual rise in light intensity that occurs at dawn. c. taking a one-hour evening walk. d. administration of reserpine. e. lithium treatment.
A person’s income and favorite color are examples of ______ and ______ variables, respectively
a. quantitative; quantitative b. qualitative; qualitative c. quantitative; qualitative d. qualitative; quantitative