Graziano & Raulin
Research Methods (9th edition)
Manipulation Check
Nominal Data
A manipulation check involves verifying that the independent variable manipulation had the effect that the researcher intended. If the research is not experimental in nature, there will be no manipulation check. Therefore, click the PROCEED button below.
If your manipulation check variable produces nominal data, your manipulation check will normally involve computing frequencies and a nonparametric inferential statistics, such as a Chi-Square test-for-independence.
| Compute Chi Square Test for Independence Manually |
| Compute Chi Square Test for Independence Using SPSS |
Are there other manipulation-check variables
that should be evaluated?
If so, click the RETURN button.
Otherwise, click the PROCEED button.