Parametric
Non-parametric
Reliability&Validity
Sampling
Threats
100
Level of measurement required?
What is interval and ratio?
100
Level of measurement required
What is nominal and ordinal?
100
The most important.
Validity
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 a t-test?
200
Analogous to the t-test
What is Mann Whitney U?
200
Associated with measuring an abstract idea.
Construct validity
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 statistic used to compare 3 or more means
What is ANOVA?
300
Used to analyze frequency data.
What is Chi-square?
300
The type of reliability ssociated with measurement tools that give Likert-type data.
Internal consistency
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 1-way ANOVA?
400
Associated with specificity and sensitivity.
Validity of diagnostic tests.
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 2 least rigorous types of validity.
Face and content.
500
Non-probability technique in which the researcher hand selects subjects on the basis of specific criteria
What is purposive sampling?
500
What technique will reduce the threat to internal validity caused by testing bias, instrumentation, and regression toward the mean?
Random assignment between treatment and control group.
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