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The present research was conducted to systematically review existing research that examined the relationships of the aspects of self-construal and social network sites (SNS) usages. A total of 12 research articles met the inclusion criteria for the present review. The reviewed research articles mainly supported the significant relationship of the interdependent self-construal and SNS-related outcomes. The present review highlighted that the reviewed relationships differed. Some findings supported the direct effect of self-construal on SNS-related outcomes, whereas some supported the indirect effects of intervening variables on these relationships. The reviewed findings supported the influence of self-construal on cognition, emotion, and motivation. Implications of the present systematic review were discussed in the manuscript.

This research examined the relationship between social network site (SNS) intensity, SNS addiction, and the severity of obsessive-compulsive disorder (OCD), alongside its factors of obsession and compulsion. The overlap of SNS intensity and SNS addiction was controlled in the study to predict the measured severity of OCD. In this study, 204 Malaysian undergraduate students were recruited to complete the revised Facebook Intensity Scale, the revised Bergen Facebook Addiction Scale, and the self-report version of the Yale-Brown Obsessive-Compulsive Scale. The overlap of SNS intensity and SNS addiction was supported by their significant positive correlation. Furthermore, SNS addiction significantly correlated with the measured OCD and its corresponding factors. The hierarchical regression analysis revealed that the entry of SNS intensity enhanced the facilitative effect of SNS addiction on OCD and its factors. Therefore, the role of SNS intensity as a suppressor was supported. In the same regression model, SNS intensity predicted the severity of OCD and its compulsion subscale negatively. Implications and directions for future research were also discussed in this manuscript.

Although impulsive buying remains one of the most important topics in understanding customers' behavior, limited studies have provided theoretical and empirical developments in the tourism and hospitality area. This study addresses this gap and provides an updated systematic review of impulsive buying research until 2018 in leading hospitality and tourism academic journals. Previous studies have provided an understanding of the possible antecedents (e.g., marketing factors, environmental factors, social factors, and individual characteristics) and consequences (e.g., perceived value, brand attachment, word of mouth, revisit intention, and willingness to pay more) of an impulsive purchase. However, they did not expound on the underlying mechanism of impulsive buying behavior. This review provides future directions for research in terms of topics, contexts, and research methodologies.