Research

Question 1

Reliability

Answer 1

Degree to which a test consistently measures what is intended

Kappa: 0-100, 80 excellent

Pearson coefficient:

Question 2

Validity

Answer 2

Degree to which a test accurately measures what is intended

Question 3

T – test

Answer 3

Determines difference between two groups. One independent variable, one dependent variable

Question 4

Chi square

Answer 4

Determines probability that group differences result from chance

Question 5

ANOVA

Answer 5

Three or more conditions/groups are compared

Are differences between groups more than by chance?

Question 6

Sensitivity

Answer 6

A test ability to identify individuals with a condition

True positive

Question 7

Cohort studies

Answer 7

Longitudinal, observational study following people overtime

Question 8

Specificity

Answer 8

A test ability to identify individuals without the condition

True negative

Question 9

Ordinal scale

Answer 9

Requires a rank

example pain scale 0–10

Question 10

Ratio scale

Answer 10

Absolute zero exist,

height or weight

Question 11

Nominal scale

Answer 11

Objects have no value

Letter, symbol