This study aimed to disentangle the psychological mechanisms underlying immigrant status by testing a model of psychological protective and risk factors to predict the mental health prevalence rates among Latino and Asian American immigrants based on secondary analysis of the National Latino and Asian American Study. The first research question examined differences on the set of protective and risk factors between immigrants and their U.S.-born counterparts and found that immigrants reported higher levels of ethnic identity, family cohesion, native language proficiency, and limited English proficiency than their U.S.-born counterparts. The second research question examined the effect of the protective and risk factors on prevalence rates of depressive, anxiety, and substance-related disorders and found that social networking served as a protective factor. Discrimination, acculturative stress, and family conflict were risk factors on the mental health for both ethnic groups. Clinical implications and directions for future research are provided.

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Mobile phones with a touch screen replacing traditional keypads have been introduced to the market. Few studies, however, have been conducted on the touch interface design for a mobile phone. This study investigated the effects of touch key sizes and locations on the one-handed thumb input that is popular in mobile phone interactions. Three different touch key sizes (i.e. square shape with 4mm, 7mm, and 10mm wide) and twenty five locations were examined in an experiment. The results provided two groups of touch key locations (an appropriate and an inappropriate region) with respect to three usability measures including success rate, number of errors, and pressing convenience. In addition, a hits distributions based algorithm was applied to target selection tasks, which statistically improved the performance. The results of this study could be used to design touch keys so as to enhance the usability of mobile phones with a touch screen.

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The study examined Korean American college students' perceived Asian cultural values gap between themselves and their parents, cognitive flexibility, and coping strategies. The relationships between these factors were studied with the intensities and types of parent-child conflicts. The results indicated that the participants adhered less strongly to Asian values than their parents. When faced with conflicts, the participants reported using problem solving coping strategy to the greatest extent, followed by social support coping strategy, and then avoidance coping strategy. Simultaneous regression analyses revealed a positive relationship between the participant-perceived parent-child values gap and the intensity of conflicts, particularly in the area of dating and marriage. There were inverse relationships between cognitive flexibility and the intensity of conflicts, specifically in the area of dating and marriage. A positive relationship was observed between the use of social support coping strategy and intensity of conflicts. Hierarchical regression analyses revealed a significant interaction effect in which participant-perceived parent-child values gap and cognitive flexibility were related to increased frequency of dating and marriage conflicts.