This article is designed to describe the building of a conceptual model of the factors that determine aggressive behavior. The model was compiled based on articles published in the 2009-2019 scientific journal that was downloaded from the website using a search engine with the keyword aggression. 52 random articles were obtained from a random search. The development of the model is carried out through several stages including the identification of dependent and independent variables, mediation and the constituents of each construct. The next step is to construct or visualize the conceptual framework in a diagram of the measurement and structural models. Antecedents of aggressive behavior consist of internal factors that are inherent in the subject and factors outside the subject, including consumption of alcoholic beverages or drugs, external environment, genetic, neurological disorders, and family factors.

This study was designed to test the validity and reliability of buyers' anxiety scale of online buying. Data were collected from 250 respondents using self-reported anxiety questionnaires designed by researchers. The instruments tested consisted of two types of measurement scales, namely ASAOB-1 with five scales, from Never Experience with a score of 1 to Always with a score of 5. The second scale type named ASAOB-2 also uses a five-point scale to measure the level of anxiety, from Very Low (1) to Very High (5). The collected data were simulated using factor analysis to obtain the loading value as a measure of validity, while the reliability coefficient uses Cronbach's Alpha. Simulations were carried out in stages using subjects as many as 25%, 50%, 75%, and finally 100% of the total respondents. The proportion of subjects used in the simulation is determined arbitrarily. Simulation results show that there are a number of items of which the level of validity decreases when the number of cases increases. In general, the numbers of validity show fluctuations, and they are not linear with the number of cases used for testing. The Alpha Cronbach's coefficient is also not linear with the number of cases used in testing. From these findings, it is indicated that the indices of validity and reliability are not linearly related to the number of cases used.

The subject is a 22 year old woman who is a victim of bullying. Subjects often think irrationally to solve problems without thinking about long-term consequences, one of which is doing self-injury. From the results of the assessment, the subject showed symptoms of Generalized Anxiety Disorder (GAD). The therapy applied to the subject is Rational Emotive Behavior Therapy (REBT) to reduce irrational thinking and maladaptive behavior. Therapy carried out in 6 sessions. The results of the intervention show that the subject can change irrational thinking to become rational. The subject may decide not to self-injure while solving the problem.