Exam 1-Statistical Tests

Question 1

when the outcome variable is continous

Answer 1

T-test, Anova or linear regression analysis

Question 2

when comparing means of 2 samples

Answer 2

t-test

Question 3

used for before and after tests or differences between experimental and placebo groups

Answer 3

paired t-test

Question 4

groups of participants are not related in any way, compares mean of sample to some value

Answer 4

independent t test

Question 5

one sample t test

Answer 5

mean of sample to specified value

Question 6

for independent groups, for example, Group A receives the education intervention while Group B does not. Both groups A and B take the same test and you compare

Answer 6

two sample t test

Question 7

measure of strength of linear realtionship, and r of 0 may not always mean lack of any relationship

Answer 7

Pearson’s Correlation

Question 8

used to measure observer agreement (inter examiner reliability)

Answer 8

Cohen’s Kappa

Question 9

When more than 2 means are being compared

Answer 9

ANOVA

Question 10

one way anova

Answer 10

only one factor that seperates the groups

Question 11

Two way anova

Answer 11

two categorical independent variables influence a continuous outcome-dependent-variable

Question 12

when the outcome is continuous and there is only one continuous predictor the regression is called

Answer 12

simple linear regression