Volume 17, Issue 2 (Summer 2015)                   Advances in Cognitive Sciences 2015, 17(2): 68-77 | Back to browse issues page

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Aghayari S, Elahi T, Salehi J, Bayat M H. The Effects of Mood States on Cognitive Processing Speed: The Moderating Role of Personality Dimensions. Advances in Cognitive Sciences 2015; 17 (2) :68-77
URL: http://icssjournal.ir/article-1-351-en.html
1- MA of General Psychology of Zanjan University,Zanjan,Iran.
2- PhD, Assistant Professor, Department of Psychology, Zanjan University,Zanjan,Iran.
3- Master student of General Psychology, Azad University Unit Zanjan Research Scienc,Zanjan,Iran.
Abstract:   (2833 Views)
Introduction: The aim of the present research was to study the effects of experimental induction of positive and negative moods on cognitive processing speed, considering the moderating role of personality dimensions of extroversion and neuroticism.
Method: In this quasi-experimental study, 750 students from Zanjan University were randomly selected and completed the Revised Eysenk Personality Questionnaire (EPQ-R). According to the extreme scores in two personality dimensions of extroversion and neuroticism, 4 groups were isolated (extroverts, introverts, neurotics, stables). Then, each group was divided into two equal subgroups. We induced positive mood in first subgroup and negative mood in the second subgroup using affective pictures and stories. After the experimental induction of moods, participants were asked to reply to the PANAS inventory to ensure they have the right mood. Later, participants, cognitive processing speed was tested using “cognitrone” computer program. Data were analyzed using two-way ANOVA, Tukey’s test and one-way MANOVA.
Results: According to our findings, extroverts had higher processing speed in positive mood as compared to introverts; however there were no significant difference between the two groups in negative mood. Emotionally-stable individuals had significantly higher speed both in negative and positive moods compared to neurotics. Both extraversion and introversion as well as positive and negative moods alone (not interactive) and the interaction had significant effect on processing speed. There were no gender differences in both groups with regards to the processing speed.
Conclusion: Mood and personality characteristics interactively seem to leave an effect on cognitive processing speed
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Type of Study: Research | Subject: Special
Received: 2015/03/20 | Accepted: 2015/05/19 | Published: 2015/06/22

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