Example of directional and nondirectional hypotheses Nondirectional A researcher has results for a sample of students who took a national exam at a high school. Define directional hypothesis. directional hypothesis synonyms. hypothesis - a proposal intended to explain certain facts or observations. Experimental Questions and Hypotheses. Another way of differentiating among experimental hypotheses is to contrast directional and non-directional hypothesis. Thus, there was no empirical support for a directional hypothesis and the nondirectional hypothesis of no differences was examined. Directional hypothesis. In N. J. Salkind (Ed.), Encyclopedia of research design (pp. 366-367). Thousand Oaks, CA: SAGE Publications Ltd. doi: 10.4135/9781412961288.n114. A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one. Practice Exercise 2 for Hypotheses. Create one directional, one non-directional, and one null hypothesis for each set of variables listed below (thus a total of nine. hypothesis [hi-poth´ĕ-sis] a supposition that appears to explain a group of phenomena and is advanced as a bases for further investigation. alternative hypothesis. An hypothesis is a specific statement of. you might state the two hypotheses like this: The null hypothesis for this study is. (directional or not). Differentiating between directional and non-directional hypotheses Non directional – also called two tailed Experimenter predicts that two groups will be different.