Correlation
Correlation is a statistical measure of the relationship, or association, between two or more variables. There are many different types of correlations, each of which measures particular statistical relationships among and between quantitative variables. Examples of different types of correlations include Pearson's correlation (sometimes called "product-moment correlation"), Spearman's correlation, Kendall's correlation, intra-class correlation, point-biserial correlation and others. The nature of the data (e.g. continuous versus dichoto-mous), the kind of information desired, and other factors can help determine the type of correlation measure that is most appropriate for a particular analysis.
The value of the correlation between any two variables is typically given by a correlation coefficient, which can take on any value between and including − 1.00 (indicating a perfect negative relationship) up to and ...
Looks like you do not have access to this content.
Reader's Guide
Ethical Issues In Survey Research
Measurement - Interviewer
Measurement - Mode
Measurement - Questionnaire
Measurement - Respondent
Measurement - Miscellaneous
Nonresponse - Item-Level
Nonresponse - Outcome Codes And Rates
Nonresponse - Unit-Level
Operations - General
Operations - In-Person Surveys
Operations - Interviewer-Administered Surveys
Operations - Mall Surveys
Operations - Telephone Surveys
Political And Election Polling
Public Opinion
Sampling, Coverage, And Weighting
Survey Industry
Survey Statistics
- All
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z