Exposure-based treatment on public speaking self-efficacy and competence
Keywords:Public speaking self-efficacy, sources of self-efficacy, exposure-based treatment, public speaking competence, public speaking instruction
This study aimed to examine exposure-based treatment, i.e. various ungraded speech activities, as a pedagogical strategy to heighten public speaking self-efficacy and competence. Also, it aimed to determine the influence of mastery experience, vicarious experience, social persuasions, and physiological states as sources of self-efficacy before and after.
Quasi-experimental, one group pretest-posttest design was used to meet the objectives of the study. Furthermore, it was conducted as a single-blind experiment. The seven participants answered scales to determine their public speaking self-efficacy and to determine how influential the sources were. An evaluation of images activity was conducted to determine public speaking competence. All instruments were administered twice: before and after the exposure-based treatment. The data were analyzed using mean, scoring and descriptive scales, paired-samples T-test, Pearson r, and multiple regression analysis.
The findings of the study revealed that the participants had average self-efficacy before and after; vicarious experience was the most influential source before and after; the participants had proficient public speaking competence after. Moreover, there is a significant difference between public speaking self-efficacy before and after; there is a highly significant difference between public speaking competence before and after; there is a significant difference between and social persuasions before and after. Furthermore, there is no significant relationship between public speaking self-efficacy and competence. Lastly, the sources of self-efficacy are not significant predictors of public speaking self-efficacy.
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