1. Explain the general purpose of a Tukey HSD test. 2. If a One Way Between Subjects ANOVA study involves 3 groups and a total of 30 subjects, the df between is ____ and the df within is ___
1. Explain the general purpose of a Tukey HSD test.
2. If a One Way Between Subjects ANOVA study involves 3 groups and a total of 30 subjects, the df between is ____ and the df within is ___.
3. A researcher wanted to see if crowds affect one's willingness to help oneself and/or others. A total of eighteen people participated in the following study. Each participant was placed in a room in which they were to work on a questionnaire. Either zero, two, or four other people were also in the room (these other people were assistants placed there by the researcher). Smoke was sent into the room through the vent and the assistants placed in the room were instructed to ignore the smoke and just keep working on their own questionnaires. The researcher recorded the delay, in minutes, between the time the smoke started entering the room and when the participant left the room to inform the researcher. Which statistical test would you use to analyze these data?
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