A study which focuses on the relationship between personality, stress and caffeine consumption
Cardiff Metropolitan University
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Caffeine is often used as a coping strategy for stress in different personalities. Research has suggested that low moods, inability to pay attention, tiredness, fatigue, difficulty in coping are some symptoms of stress and caffeine helps to reduce these symptoms. Past literature has shown little experimental evidence of interaction between personality, stress, and caffeine. The present study aimed to investigate whether personality and stress act as predictors of caffeine consumption. The participants were 145 undergraduate students. Quantitative data was collected using standardized questionnaires for the variables. For stress, the Perceived Stress Scale that is a 10-item questionnaire was used, for personality, the EPQ Eysenck’s Personality Questionnaire was used and for caffeine consumption self-reported drink recall was used. Results showed that there was no significant interaction between stress and personality, to predict caffeine consumption. They also revealed that extraversion was not a significant predictor of caffeine consumption. However, confirming previous literature, stress was found to be a significant predictor of caffeine consumption. The results also revealed that tea and soft drinks were the main sources of caffeine consumption among the sample, which refutes previous findings that suggest that coffee and energy drinks are the main source of caffeine for students. Future investigation is needed to explore further the interaction between extraversion and stress in relation to caffeine consumption maybe with different age sample and different measures, which would be a helpful showcase of the relationship between the three variables.
BSc (Hons) Psychology
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