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EFFECTS OF STRESS INOCULATION THERAPY ON THE LEVEL OF
AGGRESSIONS OF TRAFFIC CONSTABLES

Julie Garcia-Nolasco 1
Juli-ann A. Balmonte 2

1 Masters of Art in Psychology, Graduate Studies,
Southville International School and Colleges
Las Pinas, Philippines

2 Faculty, Masters of Art in Psychology, Graduate Studies
Southville International School and Colleges
Las Pinas, Philippines

ABSTRACT

This research intended to study the effects of Stress Inoculation Therapy on the levels of
physical and verbal aggression. Although it has obtained substantial attention in the law
enforcement officers treatment literature, less research has been conducted with traffic
constables’ population on their aggression. This is a pilot study which used pretest-posttest
control group design, all participants age between 20-50 who are currently employed in a local
government unit were composed of fifty participants for the research. From among them, six
traffic constables have been chosen through simple randomizing and categorized into
experimental group. The experimental group received eight (8) with sixty-minute sessions over
four weeks of SIT. T-test in SPSS were used to analyze the data (Wilcoxon Signed). For
collecting data, the Buss-Perry Aggression Questionnaire have been used. Findings indicated
that Stress Inoculation Therapy significantly reduced physical aggression, although, it did not
lower verbal aggression (p < 0.01) it was merely by margin. Thus, SIT is an effective method of
an intervention program affecting cognitive and behavioral dimension for reducing aggression in
general. However, further comprehensive intervention with added therapeutic sessions would be
needed to be more effective in reducing verbal aggression.