The COMLEX-USA (Comprehensive Osteopathic Medical Licensing Examination of the United States) is a series of standardized medical board exams designed for osteopathic medical students and physicians. Administered by the National Board of Osteopathic Medical Examiners (NBOME), it evaluates candidate...
Correlational - Answers These tests look for an association between
variables
Pearson Correlation - Answers Tests for the strength of the
association between two continuous variables
Spearman Correlation - Answers Tests for the strength of the
association between two ordinal variables (does not rely on the assumption
of normal distributed data)
Chi-squared - Answers Tests for the strength of the association
between two categorical variables
Comparison of Means - Answers Use: Look at the difference
between the means of variables
Paired T-test - Answers Tests for the difference between two related
variables
Independent T-test - Answers Tests for the difference between two
independent variables
, Q&A
ANOVA - Answers Tests the difference between group means after
any other variance in the outcome variable is accounted for
Regression Tests - Answers Assess if the change in one variable
predicts the change in another variable
Simple Regression - Answers Tests how change in the predictor
variable predicts the level of change in the outcome variable
Multiple Regression - Answers Tests how change in the combination
of two or more predictor variables predict the level of change in the
outcome variable
Non-parametric Tests - Answers Used when the data does not meet
assumptions required for parametric tests
Wilcoxon rank-sum test - Answers Tests for the difference between
tow independent variables - takes into account magnitude and direction of
difference
Wilcoxon sign-rank test - Answers Tests for difference between two
related variables - takes into account magnitude and direction of difference
Sign Test - Answers Tests if two related variables are different -
ignores magnitude of change, only takes into account direction
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