When is a t-test used?
a. to determine whether differences between two groups, representing the attributes of the nominal level independent variable, differ on a measure of the interval or ratio level dependent variable.
b. to determine the degree to which two interval or ratio level variables are associated or related
c. to determine the degree to which there are significant differences between the frequencies of attributes of two nominal level variables.
d. to determine the degree to which several different groups of nominal level variables significantly differ on the interval or ration level dependent variable.
Answer a
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Yvette is a person who tends to gaze at other people a lot. According to your book, which of the following is a possible explanation for Yvette's amount of gazing?
a. Yvette has state anxiety. b. Yvette is very dominant. c. Yvette needs to avoid high levels of arousal. d. Yvette has low self-esteem.