Flashcards
Bathri Lecture 3 Inferential Stats
Cards in this deck (11)
- 1Inferential Stats Used to... Test... About...Draw inferences
Test null-hypothesis
About relationships between phenomena - 2Measures of associationThe relationship between two or more variables
Uses continuous data: interval or ratio
Allows comparison of groups - 3Probability samplingSimple random
stratified random - divide pop into groups, randomly choose from groups and pool together - 4non-probability samplingconvenience, purposive, and snowball
- 5Parametric stat testRatio or interval scale
normal shape
Sufficient sample - groups are all the same - 6Nonparametric stat testNominal or ordinal scale
non-normal shape
Small sample
Variability in groups - 7CorrelationPearson's correlation coefficient (r)
r = at least 0.755 for strong association - 8T testDifference between means of 2 unrelated groups or independent samples
Independent Samples T test
Two groups - One outcome - 9Paired t testTwo RELATED groups - one outcome at two time points
- 10ANOVAExtension of t test for more than 2 groups
Only gives a yes or no significant answer
=> Post hoc test to determine which groups or group differs - 11Chi SquareQualitative or non-normal data
Test for differences between two groups of count data
Two or more groups - one outcome
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- MPAS Research Methods I (Final Exam ) Flashcards on Bathri Lecture 3 Inferential Stats, created by Eric Rogers on 02/12/2018.
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- Eric Rogers
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