In a test for significance of a Pearson correlation for a sample of n = 30 individuals, you determine the critical value by using df = 29
Indicate whether the statement is true or false
F
You might also like to view...
Trevor plans to study the relationship between people's responses to highly stressful situations and their overall health. He decides he must use correlational research, rather than experimental research, to investigate this problem. Trevor most likely chose a correlational method because correlational studies
a. tend to be more accurate than experiments. b. have higher internal validity than experiments when there are two dependent variables. c. can be used to study either positive or negative relationships, whereas experiments can only be used to study positive relationships. d. can be used to investigate factors that would be unethical to manipulate in an experimental study.
If someone tells you to expect a persuasive speech, what is the effect? a. You pay less attention to the speech than usual
b. You pay closer attention to the speech than usual. c. The speech will influence your opinions less than usual. d. The speech will influence your opinions more than usual.
Research on circadian rhythms has shown that one of the best ways to increase the alertness and efficiency of workers on night shifts is to ____
a. expose them to bright lights while they work b. keep the environmental temperature constant from night to day c. have them eat a big meal before going to sleep d. allow them to catnap
Thirty-nine members of the Heaven's Gate cult committed suicide together in response to their leader's instructions that, only by doing so, could they follow the Hale-Bopp comet in a UFO. After their mass suicide, they were found dressed identically and neatly. Which principle of social influence best explains this mass suicide??
a. ?Social facilitation b. ?Social interference c. ?Compliance d. ?Fundamental attribution