Answer to relevant QuestionsYou conduct an experiment involving two levels of self-confidence (Aj is low and A2 is high) and examine participants’ anxiety scores after they speak to one of four groups of differing sizes (Bx through B4 represent ...(a) How do you recognize a design that requires a one-way ANOVA? (b) What must be true about the dependent variable? (c) Which versions of ANOVA are available? (a) What does a significant main effect indicate? (b) What does a significant interaction effect indicate? (c) Why do we usually base the interpretation of a two-way design on the interaction effect when it is significant? Select the noparametric procedure to use when we study: (a) The effect of a pain reliever on rankings of the emotional content of words describing pain. One group is tested before and after taking the drug. (b) The effect of ...You show participants a picture of a person either smiling, frowning, or smirking. For each, they indicate whether the person was happy or sad. (a) What are the factor(s) and level(s) in this design, and (b) What is the ...
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