Examining Interindividual Differences in Cyclicity of Pleasant and Unpleasant Affects Using Spectral Analysis and Item Response Modeling

Psychometrika - Tập 70 - Trang 773-790 - 2005
Nilam Ram1, Sy-Miin Chow2, Ryan P. Bowles1, Lijuan Wang1, Kevin Grimm1, Frank Fujita3, John R. Nesselroade1
1Department of Psychology, University of Virginia, Charlottesville, USA
2University of Notre Dame, Notre Dame
3University of Indiana, South Bend

Tóm tắt

Weekly cycles in emotion were examined by combining item response modeling and spectral analysis approaches in an analysis of 179 college students' reports of daily emotions experienced over 7 weeks. We addressed the measurement of emotion using an item response model. Spectral analysis and multilevel sinusoidal models were used to identify interindividual differences in intraindividual cyclic change. Simulations and incomplete data designs were used to examine how well this combination of analysis techniques might work when applied to other practical data problems. Empirically, we found systematic individual differences in the extent to which individuals' emotions follow a weekly cycle, and in how such cycles are exhibited. Weekly cycles accounted for very little variance in day to day emotions at the individual level. Analytically, we illustrate how measurement, change, and interindividual difference models from different traditions may be combined in a practical manner to describe some of the complexities of human behavior.

Tài liệu tham khảo

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