Whenever the calculated value of t is less than the tabled value of t (for a given number of degrees of freedom), then
a. There is a failure to reject Ho
b. Ho is rejected
c. Ho is no longer relevant
d. the alpha level increases
a
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What is one of the reasons that correlations do NOT indicate causation?
Not applicable. Correlations do indicate causation if the correlation is a perfect –1.0 or +1.0. There could be a third variable not being taken into account that can interact with the other variables being examined. Correlations are unexpected. Social scientists do not know why correlations do not indicate causation.
Which change has occurred over the past several decades in virtually every industrialized nation?
People are marrying younger and younger. Divorce rates are lower because cohabiting strengthens marriages. Adults are coming to view marriage as the sole avenue for sexual expression. The number of unwed parents has increased dramatically.
Kristen, who is afraid of leaving her house, is asked to write out a list of situations that trigger her fear, from least fear-provoking to most fear-provoking. Kristen is creating a(n) ____
a. ?forgetting curve b. ?token economy c. ?anxiety hierarchy d. ?stimulus-response pairing
Galen decided to join the Peace Corps after college and
turned down three very financially lucrative job offers in the process. He believed that by joining the Peace Corps, he could assist more people than he would via his job offers in the field of advertising. Which of the following BEST describes Galen's decision? A) Social facilitation B) Altruism Correct. This is truly a selfless act. C) The halo effect D) Cognitive dissonance