Doctor of Philosophy, The Ohio State University, 2017, Communication
This study examined how screen media use, attention, and behavioral control processes are related at a variety of timescales. A model framework was proposed suggesting dynamic and reciprocal influences between media uses and attention over repeated uses, inspired primarily by the three-network model of attention, the strength model of self-control, and research on media habits. Findings from a cross-sectional survey (N = 313) suggest that habitual media use, indicative of greater behavioral automaticity, may change executive attention processes over time. These changes are not fixed, though the specific mechanisms to effectively alter attention still require greater elucidation. Participants who engaged in a 28-day period of behavior tracking (N = 38) reduced their habitual media use and showed attention improvements, despite evidence that limiting media use was more difficult than participants recognized. Participants' daily behavior and internal states were recorded throughout the 28-day study period and the dynamic relationships between attention states and media use throughout daily life were modeled as dynamic linear equations. Attention states were less sensitive to participants engaging in controlled behavior than previous theorizing suggested, though participants with greater attentional control experienced attention depletion from habitual media use, whereas those with less control experienced attention restoration. Variation in attention states was, in turn, predictive of the likelihood in engaging with media use in a more or less controlled fashion.
Committee: Zheng Wang (Advisor); Brad Bushman (Committee Member); Michael Slater (Committee Member)
Subjects: Communication