The effects of scope condition-based participant exclusion on experimental outcomes in expectation states research: A meta-analysis |
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Authors: | Joseph Dippong |
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Institution: | Department of Sociology, Kent State University, PO Box 5190, Kent, OH 44242-0001, United States |
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Abstract: | Expectation states theory employs several scope statements to specify the situational conditions that must be met for any test of the theory to be considered valid (Foschi, 1997). Collective orientation and task orientation are two scope conditions that researchers frequently implement as selection criteria for a participant’s inclusion in an analytic sample. Although excluding participants who fail to meet scope conditions is theoretically consistent, researchers have yet to establish how this practice affects experimental outcomes. I employ meta-analysis to compare studies within the expectation states tradition in which participants are excluded for failure to meet scope conditions to studies in which no similar exclusions are made. Results suggest that studies that exclude participants for scope violations demonstrate a decreased baseline tendency to reject influence. I contend that adopting a more universal approach to the measurement and application of scope conditions would be methodologically and theoretically beneficial to expectation states research. |
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Keywords: | Expectation states Scope conditions Meta-analysis Collective orientation Task orientation Hierarchical linear modeling |
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