Humans can recognize approximately ___ odors

There is an exception to the general rule that logical, informative messages will be highly persuasive when the issue is relevant to the audience. What is that exception?

a. Logical, informative messages will not work well when values and feelings are the basis of the attitude in question. b. When people are in a bad mood, they do not see information as relevant to their attitudes. c. When people are in a good mood, any and all information seems relevant to their attitudes. d. When people are in a bad mood, they are skeptical about all information, including logical information.

In a learning study using repeated measures, the correlation between early and later times will likely be low. Analyzing fewer levels of the independent variable would help to avoid violating the assumption of

a. normality. b. homogeneity of variance. c. constant correlations among pairs of levels of the repeated variables. d. MSerror is an unbiased estimate of the magnitude of effect of the predictor variable in a regression analysis.