According to the textbook, in one survey, percent of university students believed that painful experiences commonly get pushed out of awareness and into the unconscious.

The answer is 88%

Explanation:

Unconscious is when one is not aware and not responding to the environment stimuli he or she is. According to the text book 88 percentage to the university students support or believed  that painful experiences commonly forgotten of awareness and into the unconscious. This situation is called psychoanalysis where mental disorder are being treated by analyzing the relationship between the conscious and unconscious minds.