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WorksheetsPairwise
Total questions: 10
Worksheet time: 4mins
If you wanted to know the difference between two levels of an IV on the DV of interest, you would want to look at the data __________________.
non-parametrically
parametrically
between groups
within groups
A researcher wants to compare manual therapy, exercise, and standard care to determine its affect on pain levels and function. How many IV's are there?
1
2
3
4
The benefit of an experimental design is that it can show_________________. (select any applicable)
evidence of benefit
proof of intervention effectiveness
causation
cause and effect
If you analyze a small sample size, you will likely be using _________________________.
parametric tests
non-parametric tests
normal distribution tests
normal variance tests
If you wanted to run an analysis on a small, non-normal sample between groups, you would choose-
wilcoxon rank sum
paired t test
independent t test
mann whitney u
You design an experiment and want to see what the results are. Levene's/Shaprio Wilk are both non-significant. Data is ordinal. What test would you run to look at within two timepoints in the same group?
wilcoxon rank sum
mann whitney u
unpaired t test
dependent t test
You design an experiment and want to see what the results are. Levene's/Shaprio Wilk are both significant. Data is ratio. What test would you run to look at within two timepoints in the same group?
wilcoxon rank sum
mann whitney u
paired t test
unpaired t test
You analyze data and find p=.04, alpha was .05, and beta was .01. What is your finding?
Type 1 error
non-significance
significance
type 2 error
At baseline, you want the groups to be___________?
homogeneous and varied
heterogeneous and equal
as close to identical as possible
as different as is possible
if you had an experiment with 1 Iv and 2 levels, and you collect data at baseline and post. How many analyses would be need to run to look at all within and between group comparisons?
2
4
6
8
