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21 Cards in this Set
- Front
- Back
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Chi Square
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100 people are asked to pick their favorite fruit - apples, bananas, oranges, or watermelon. We might expect 25 people to pick each fruit. If what we actually find differs quite a bit from this, our results would be significant.
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1 x k chi square
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compare the number of prisoners who committed each type of offense
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r x k chi square
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compare conditions by race
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2 x 2 chi square
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Participants in the control group and experimental group either agreed or disagreed.
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2 x 3 chi square
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The behavior of boys and girls was rated as excellent, acceptable, or not acceptable.
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4 x 4 chi square
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4 age groups (men, women, boys, and girls) were compared on hair color (blonde, brown, black, red)
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linear regression
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Students’ GPAs in college based on ACT scores
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linear regression
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New waitresses’ tips based on gender
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multiple regression
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Students’ GPAs in college based on ACT scores, high school GPAs, and if they have a parent who went to college
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multiple regression
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New waitresses’ tips based on months of experience and hours of training
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one-way ANOVA
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To compare the ages of 2 groups (just like an independent samples t test)
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one-way ANOVA
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3 groups of participants with OCD, one receives a minimal treatment, one receives an in-depth treatment, and the other is a control group; they’re all posttested for OCD symptoms
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Tukey Test
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Was there a significant difference between the groups? If so, which ones?
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ANCOVA
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In a study on the amount of TV children watch, the researcher wants to see if there’s a difference between boys and girls. Because he believes that family income may influence the amount of TV children watch, he uses it as a covariate. This step will partial out the effects of family income when comparing the boys and girls on hours of TV viewing.
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paired-samples t test
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1 group, pre- and posttests
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independent samples t test
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2 groups, posttest only
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independent samples t test
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To compare boys and girls on extroversion rating
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paired samples t test, 1 tailed
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Participants’ satisfaction ratings at posttest will be significantly higher than their pretest ratings.
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paired samples t test, 2 tailed
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There is no significant difference between participants’ responses on the safety pretest and posttest.
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independent samples t test, 2 tailed
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There will be a significant difference between males and females on their responses to satisfaction items 1-2.
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independent samples t test, 1 tailed
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Participants in the experimental group will have higher gains in their overall safety scores than participants in the control group.
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