The presence of stressful, adverse workplace behaviors is one of the key issues that dominate many organizations nowadays. Deviant work behaviors with its different forms and types is considered one of the vital areas that need to be addressed due to its sever implications. Thus, this research focused on studying some of the consequences of three deviant behaviors (workplace ostracism, bullying and cyber-bulling). For testing the proposed model and the developed hypotheses, this research is based on a collected data from a proportional stratified random sample of 384 undergraduate students at Cairo University in Egypt. The obtained results from the analyzed data indicated that: (1) workplace ostracism , Workplace bullying and cyber-bullying are negatively, strongly and significantly related with : students' academic achievement level, their self-esteem level, and with their affective commitment level for their colleges.(2)workplace ostracism, bullying and cyber-bullying operating jointly and explain 25.1% of the academic achievement, 25.3% of self-esteem and 26% of the affective commitment.