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23 Cards in this Set
- Front
- Back
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Ex Post Facto
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Caual-comparitive after the fact
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Suggested minimum sample sizes for:
Correlational ____ Ex post facto and experimental ___ Survey ____ |
30
15 100 |
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t-test
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significant difference between mean scores of two groups
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ANOVA
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One way, one variable at three or more levels
Gives an F value Factorial, mean scores on two or more variables differ significantly |
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MANOVA
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More than one dependent variable
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ANCOVA
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Control for influence of one or more IVs on the DV
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Chi Square
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Use with nominal data (groups or categories), non parametric
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Solomon four-group design
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The effect of the pretest on experimental treatment
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Appraisal
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Making judgements about human attributes and behaviors
AKA evaluation |
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Interpretation
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Making a statement about the meaning or usefulness of measurement data
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Standard deviation
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mean of all deviations
dispersion of scores |
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Variance
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SD squared
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Positive skew
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Tail to the right, mode>median and mean
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Negative skew
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Tail to the left, mode<median and mean
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Standardized scores
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Common language
Converted raw data |
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z-score
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mean of 0
SD of 1.0 |
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correlation coefficient
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tells you nothing about cause and effect
range from -1.00 to 1.00 relationship between two sets of numbers |
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Stability reliability
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test-retest
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Equivalence reliability
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alternate form
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Internal consistency reliability
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split-half method
interitem consistency |
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Achievement
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Effects of learning
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Aptitude
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predict future performance
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Sociometry
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used to identify isolates, rejectees, or stars
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