Resumen

MICHELINI, Yanina; ACUNA, Ignacio  y  GODOY, Juan Carlos. Characteristics of the emotional experience induced by film clips in a sample of argentinian youngs. Interdisciplinaria [online]. 2015, vol.32, n.2, pp.367-382. ISSN 1668-7027.

Developments since the mid-twentieth century in the research of emotion and the growing interest in its interaction with cognition have generated the need for reliable emotional induction techniques. The efforts made in recent years to carry out the standardization of film clips capable of inducing emotion stand are remarkable. With this, these methodological resources are widely chosen by researchers to study emotional processes. The aims of the research were: (1) to assess valence, arousal, dominance (subjective measures) and cardiac frequency (objective measure) in relation with positive and negative emotions induced by film clips, (2) to determine how long the emotional induction remained active after the presentation of audio visual stimuli, and (3) to evaluate whether there are sex differences in emotional experience, subjectively and objectively, induced by film clips. 81 college students (44 women) from 18 to 25-years-old of Córdoba (Argentina) were evaluated. The average age was 21.20 (SD: ± 2.57). The sample was finally composed by 81 participants for not meeting certain requirements to conform. The evaluation was performed individually in a room equipped for that purpose. Each participant watched 10 film clips of positive or negative valence. Participants evaluated valence, arousal and dominance at 15, 30, 45 y 60 minutes post-induction. Each experiment lasted approximately 90 minutes. The instruments administrated were note of informed consent, 20 Battery of film fragments with ability to induce emotions, Self-Assessment Manikin (SAM), sociodemographic data form, questionnaire of pattern of alcohol and other substances consumption, stress test equipment 12-lead CardioVex. Significant correlations between valence, arousal and dominance in most film clips were obtained. Then, repeated measures ANOVA between the scores were made in the SAM Activation after the emotional induction, significant interaction were found between Time and Type of Induction [F(4,316) = 2.5461, p < .05 ηp² = .031]. According to Fisher post hoc test, there were significant differences between means of the arousal to the last film clip of the series and 15, 30, 45, and 60 minutes post-induction (p < .001) in the negative condition, and between the last film and 15, 30, 45 y 60 minutes post-induction (p < .01). Significant difference also was found between 30 minutes arousal to Positive Induction and Negative Induction (p < .01). Finally, in terms of sex differences in emotional experience, women reported more negative valence than men in the film clips of negative valence: The Exorcist [F(40) = 8.576; p < .05] Saving Private Ryan [F(40) = 10.833, p < .01], Misery [F (40) = 4.500; p < .05] and Dead Man Walking [F(40) = 7.121; p < .05]. In addition, women reported greater arousal in the positive film clip There's Something About Mary 2 [F(37) = 6.014; p < .05]. Finally men reported greater dominance in face to negative film clips The Exorcist [F(40) = 8.051; p < .01], Schindler's List 2 [F(40) = 4.963; p < .05], Leaving Las Vegas [F (40) = 5.829; p < .05] and the positive film clip Something About Mary 2 [F(37) = 5.166; p < .05] while women reported greater dominance to the film clip When Harry Met Sally [F(37) = 5.106; p < .05]. Study of discreet emotions and heart rate variability was suggested for more correlations between subjective and objective measures of emotion. Naturally, negative stimuli are more thrilling because they present major intensity and discreteness than positive stimuli. Response to negative stimuli also have a more significant biological importance. Men use more effective emotion regulation strategies than women, whereas, women use negative and non-adaptive emotion regulation strategies. As a conclusion, this study make a contribution to the study of subjective and objective measures of emotion and the features of the emotional experience according to time of the induction and sex of those who experience.

Palabras clave : Emotion; Emotional induction; Film database; Film clips; Young.

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