This study investigated whether university students' levels of loneliness, depression, and computer self-efficacy were significant predictors of their problematic Internet use levels. The study was carried out with 559 Turkish university students. The research data were analyzed by multiple regression analysis. The findings indicated that loneliness, depression, and computer self-efficacy were significant predictors of problematic Internet use. Loneliness was found as the most important predictive variable. Depression predicted problematic Internet use on the second rank, and computer self-efficacy on the third rank.

The current study set out to examine the relationships between the levels of problematic Internet use and gender, having any addiction problems, the level of psychological symptoms, and some online experiences related to the Internet use of university students. Data was gathered from 437 university students. The results indicated that factors such as gender, level of psychological symptoms, connecting to the Internet most often at night, and using the Internet primarily to communicate with their relatives and friends and to have a good time predicted significantly the level of the problematic Internet use of the students. Moreover, the predictors differentiated in terms of the domains of the problematic Internet use.

This study investigates the quality of life (QOL) and academic achievement of earthquake survivors six years after the earthquakes in Marmara, Turkey. Data were collected from 407 Turkish university students. Of these, 201 were earthquake survivors and 206 had not been exposed to an earthquake. The Turkish adaptation of the brief version of the World Health Organisation's QOL instrument (WHOQOL-BREF, TR) was used to measure QOL. The results reveal that the earthquake survivors' psychological and environmental domains of QOL and academic achievement were significantly lower than those of individuals not exposed to an earthquake. The results also highlight the risk factors that affect the QOL of the earthquake survivors significantly. These are their gender, their age at the time of earthquake and the continued existence of financial difficulties linked to the earthquakes.

This study aimed to determine whether the adjustment levels of university students differ according to their perceived communication skill levels. The research was carried out with 277 Turkish university students. Data were collected through The Communication Skills Assessment Scale (Korkut, 1996) and the Hacettepe Personality Inventory (Özgüven, 1992). The findings of the study revealed that personal, social, and general adjustment levels were significantly related to perceived communication skill levels. Students who have high perceived communication skill levels had significantly higher personal, social, and general adjustment levels. Results are discussed in relation to their implications for effective communication skills of university students.

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We examined (1) the depression levels of university students, and whether or not depression levels of university students differ significantly according to their gender, (2) if university students' problem-solving skills, submissiveness levels, social support from family, friends, and society, ages, and cumulative grade point averages (GPAs) predict their depression level; and (3) if predictive values of these variables change according to gender. The research was carried out with 293 university students. It was found that perceived problem solving, social support from friends, and submissiveness predicted depression in university students.

This study has attempted to investigate the predictability of university students' personality traits, cultural values, stress coping strategies, negative automatic thoughts and gender on their professional/formal psychological help seeking attitudes. This research has been carried on with the participation of a total of 1284 university students. Predictive correlational method was used. To collect data, valid and reliable measurements were conducted. The hierarchical multiple regression analysis has been used to evaluate the data. As predictors of the psychological help seeking attitude, conscientious and agreeable students have more positive attitudes, but negative-valent and open ones have more negative attitudes. Students who use seeking social support and avoidance stress coping strategies have more positive attitudes, but who use keep-to-self have more negative attitudes. Collectivist and female participants' help seeking attitudes are more positive. With these variables, 14% of the attitude of seeking psychological help is explained. The findings of the study were associated to Theory of Planned Behavior and discussed in the light of literature.

It is the aim of this research to investigate the achievement goals of university students. Firstly, university students' adoption levels of achievement goals are described. Next, how their level of academic self-efficacy, irrational beliefs, perfectionism, self-determination, locus of control and gender predict each achievement goal is depicted. The participants consisted of 1509 university students. The findings showed that students generally adopted the mastery-approach at a high level, mastery-avoidance at a medium level, and both performance-approach and performance-avoidance at a low level. Furthermore, according to the results of hierarchical regression analysis, it was found that perfectionism related to higher standards, academic selfefficacy, perfectionism related to order, self-determination, internal locus of control, perfectionism related to dissatisfaction and gender (female) predicted the mastery-approach achievement goal significantly. Masteryavoidance achievement goal was significantly predicted by perfectionism related to higher standards, irrational beliefs, perfectionism related to order and discrepancy and gender (female). Irrational beliefs, academic selfefficacy, perfectionism related to discrepancy, self-determination and gender (male) significantly predicted the performance-approach achievement goal. Irrational beliefs, perfectionism related to the discrepancy, selfdetermination, perfectionism related to higher standards and academic self-efficacy significantly predicted the performance avoidance achievement goal.