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Definitions
Research Designs
Tests
100
Average of all scores or values in a set
What is the mean?
100
Establishing causation through manipulation of variables
What is experimental research design?
100
This test determines the significance of difference between two means.
What is a t-test?
200
The square root of the variance
What is standard deviation?
200
Used to determine if there is a relationship between two groups or phenomena
What is correlational research design?
200
Used to determine if there are two distinct groups.
What is a chi-squared test?
300
The current belief or statement that there is no difference between groups
What is the null hypothesis?
300
This research design describes and analyzes culture-sharing groups.
What is ethnographic research design?
300
This test statistic describes the number of standard deviations a score is away from the mean.
What is a z-score?
400
Statistics used to generalize sample findings to a population
What are inferential statistics?
400
This type of research uses both qualitative and quantitative measures.
What is mixed-methods research design?
400
This test statistic is used to translate a score's distance from the mean into generalizable terms. Think SAT score or IQ score.
What is a t-score?