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Parametric
Non-parametric
Hypothesis Tests
Sampling
Threats
100
Level of measurement required?
What is interval and ratio
100
Level of measurement required
What is nominal and ordinal?
100
Mean A = Mean B
What is the null hypothesis?
100
Requires a list of all possible subjects
What is random sampling?
100
Did the experimental treatment cause the observed changes in the outcome measure?
What is internal validity?
200
Statistic used to compare 2 group means
What is t-test?
200
Analogous to the t-test
What is Mann Whitney U?
200
Mean A > Mean B
What is a directional hypothesis?
200
Uses subjects who are available to the researcher.
What is convenience sampling?
200
While studying effectiveness of educational programs to increase seat belt use, a law requiring them is passed.
What is history?
300
F distribution used to compare 3 or more means
What is ANOVA?
300
used to analyze frequency data
What is Chi-square?
300
Mean A does not equal Mean B
What is an alternative hypothesis?
300
the universe of interest
What is the target population?
300
In the middle of collecting data, the researcher re-calibrates his machine.
What is instrumentation?
400
Used to test reliability of measurements taken by 2 different testers
What is inter-rater reliability
400
Analogous to the one-way ANOVA
What is Kruskal-Wallis?
400
Accepting the null hypothesis when it's false
What is type II error?
400
Randomly assigning to each group sets of subjects with the same characteristics
What is Matching?
400
Students in a stress reduction program share their knowledge with control subjects
What is contamination or diffusion of treatments?
500
Used to predict the value of the dependent variable given the value of the independent variable
What is regression?
500
Analogous to the one-way repeated measures ANOVA
What is the Friedman 2-way ANOVA?
500
The odds are 1 in 20 that the null hypothesis is true
What is p = .05?
500
Non-probability technique in which the researcher hand selects subjects on the basis of specific criteria
What is purposive sampling?
500
A positional program for patients in a rehab setting is recommended for patients in a nursing home without testing
What is interaction of treatment and setting?