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ANOVA
What test to use
T-test
Hypothesis
STATS
100
If jack has 3 does of Caffeine including 0, 100 and 200 and is using a between subjects design what should he use?
What is ANOVA between subjects
100
KA is studying the relationship between high pitch vices and attractiveness. Subjects listen to a voice then rate it on a likert scale. What test should be used?
What is Pearson r
100
Jess just calculated her t which was t(45) =4.55, p< 0.05. Did Jess reject her null hypo. or not? Can she have a type I or II error?
What is yes only type I which is 5% chance..
100
If TJ's null hypothesis is men=women in pain threshold what is his scientific?
What is women will performer differently than men
100
The mean and SD are___.
What is descriptive statistics
200
Jack calculates his f value of 6.67 and it is significant. What does that tell him?
What is the main effect of caffeine
200
If the relationship between voice and attract is not linear what test should be used?
What is Spearman
200
If you are using a correlated t-test you assume?
What is within subjects design is being used.
200
In statistics we always test our scientific hypothesis?
What is false
200
If you see this written in a results section.. F92, 88) = 6.78\, p<0.05
What is main effect of your indep. Variable
300
To determine what means are different what should Jack use?
What is Tukey Post Hoc
300
Dr. Hue has 3 new eye drops he wants to test. He finds there's a lot of variability in peoples response to eye drops so he wants to use an with in subjects design. What test should he use?
What is Repeated measures ANOVA
300
In a type I error what decision has been made about the null hypothesis?
What is it was false but in reality it was true.
300
JJ calculated a t=2.00 and found it was not significant should he calculate an eta-square?
What is yes it may be helpful to determine how many subjects he may need using appendix E.
400
If JJ has 4 treatments and 10 subjects in each of his 4 groups what is his df between and within?
What is 3, 36
400
AJ is studying the color of cars (red, black white) and whether or not they get tickets. What test should he use? Why?
What is Chi-Squared. Nominal data
400
If your calculate t is significant and is 5 and your df is 20 what is your eta-squared?
What is .56
400
If you set your alpha level at 0.05 nondirectional test and you have 30 subjects using indep. t-test what is your critical value?
What is 2.048
400
Parametric test assumes?
What is homogeneity of variance, normal sample size and dep. V on interval ratio scale..
500
4 groups of pain patients who are administered different medications. There are 24 patients total and you Source SS df MS F Between 30 10 Within Total 230 Fill this in so what is within ss? DF? F=1
What is 200, 3, 20 F=1
500
What is the difference between parametric and nonparametric tests?
What is Nonparametric makes no assumptions about the distribution. Parametric assumes, normal distribution, ratio/interval scale for DV and homogeneity of variance.
500
TJ has completed a test on pain thresholds (min) in Men and Women. See below and calculate the t value. Is it sign. at 0.05 directional? What's the nature of the relationship? men 2, 3, 2, 1, 1 women 4, 5, 3, 4 6
What is -4.13 Yes the critical value is 1.860 Women have a higher pain threshold
500
Explain the difference between type I & II errors
What is type I rejected null when it was true TypeII failed to reject null when it was false