PSY 150 F23 Group Activity 5 (1)

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San Francisco State University *

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150

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Psychology

Date

Dec 6, 2023

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docx

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3

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PSY 150 Fall 2023 Group Activity 5 You MUST fill out the information below before answering the Group Insight Activity Questions below. Answers are graded for completeness, not correctness. You will answer the questions when instructed to do so in class. Today’s date: Number of members in group: Group Members present in class to complete activity: Group member submitting Assignment: 1. Thinking ahead, for the one-way between-subjects ANOVA, will we need to distinguish between a one-tailed or a two-tailed test corresponding to the alternative hypothesis? When answering, consider : what the alternative hypothesis is and whether the F-ratio can be negative.
2. Given the F -critical value and F -ratio or the α -level and p -value that we now have for our data, what decision will you make? Reject or fail to reject the null hypothesis and why? Sketch it out on the diagram below or sketch your own diagram.
3. Presume that q = 3.40 (α-level = .05). Calculate Tukey’s HSD. Then see which of the differences between your group means (i.e., one group mean- minus another) are larger than the HSD absolute value. 4. Fill in the ANOVA table on the next slide (pasted below) with the correct information from our data. Source SS df MS F Between samples Within samples Total * p < .001
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