← Search Journal of Applied Psychology 1985 Testing for substantive significance in applied research by specifying nonzero effect null hypotheses. Robert L. Fowler DOI10.1037//0021-9010.70.1.215 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓