This study identifies 11 basic cognitive dimensions of media multitasking behaviors based upon resource theories. These dimensions provide a conceptual framework to help compare and synthesize media multitasking studies. In addition, using 2 empirical data sets, we examine how these cognitive dimensions interact with each other to predict choices of media multitasking behaviors in daily life in an adaptive manner to conserve limited mental resources. A systematic understanding of the multiple cognitive dimensions of media multitasking behaviors has the potential to foster theory‐guided designs and more mindful selection of media tasks, technologies, and environments to curb negative consequences of media multitasking and utilize its benefits.

Research has indicated that many video games and virtual worlds are populated by unrealistic, hypersexualized representations of women, but the effects of using these representations remain understudied. Objectification theory suggests that women’s exposure to sexualized media representations leads to self-objectification. Further, we anticipated this process would lead to increases in rape myth acceptance (RMA). Two experiments (Study 1, N = 87; Study 2, N = 81) examined the effects of avatar features on women’s experiences of self-objectification. In both studies, college women exposed to sexualized avatars experienced higher levels of self-objectification after the virtual experience than those exposed to nonsexualized avatars. Furthermore, in Study 2, self-objectification mediated the relationship between controlling a sexualized avatar and subsequent levels of RMA. We discuss the implications of women using sexualized avatars in video games and virtual environments, which may lead to negative attitudes about the self and other women off-line due to heightened self-objectification. Additional online materials for this article are available to PWQ subscribers on PWQ's website at http://pwq.sagepub.com/supplemental.

This study extends the research on message-sensation value (MSV) by treating it as a dynamic stream of complex visual-auditory information and arousing content (MSV-d).Real-time attentional and emotional responses to this dynamic stream during the PSA viewing process are indicated by psychophysiological measures. Dynamic models are used to systematically examine endogenous and exogenous influences on message processing to more accurately understand the effects of MSV-d variables and individuals' sensation seeking tendencies during the processing of the PSAs. An important finding is that generally, increasing visual-auditory complexity activates an approach tendency in those with high sensation-seeking tendencies but activates an avoidance tendency in those with low sensation-seeking tendencies, and this response pattern is moderated by arousing content.

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