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Psikohumaniora: Jurnal Penelitian Psikologi
Published by Universitas Islam Negeri Walisongo Semarang
ISSN : 25029363     EISSN : 25277456     DOI : 10.21580/pjpp
Core Subject : Health, Education, Social,
Education Public Health Social Sciences Other
Psikohumaniora: Jurnal Penelitian Psikologi (en: Psikohumaniora: Journal of Psychological Research) is a research-based psychological journal published by the Faculty of Psychology and Health, Universitas Islam Negeri Walisongo Semarang, Indonesia. Psikohumaniora is dedicated to developing studies of clinical and positive psychology by diffusing research backed by solid empirical evidence. It is hoped that it will provide a reference and guidance to enhance people's psychological potential and improve their mental health, as well as offering adaptive strategies for preventing and reducing the risks of psychological problems. In the long run, the journal is expected to have a positive impact on individuals and the community.
Arjuna Subject : Psikologi - Psikologi Terapan
Articles 112 Documents
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Effects of caffeine intake and performance pressure on working memory Laila Indra Lestari; Sri Kusrohmaniah
Psikohumaniora: Jurnal Penelitian Psikologi Vol 8, No 1 (2023)
Publisher : Faculty of Psychology and Health - Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/pjpp.v8i1.15557

Abstract

Performance pressure and caffeine consumption, a common combination in daily life, have both been shown to affect cognitive performance. However, previous research has not fully elucidated the extent to which the effects of caffeine and performance pressure impact cognitive function, especially working memory. This study aims to examine the possibility that caffeine can enhance working memory performance under pressure. A total of 61 participants aged 18 to 32 participated, divided into four groups. Experiment-based data collection was conducted with a single-blind design. Working memory was measured by Modular Arithmetic Tasks with the OpenSesame program. All participants were asked to perform arithmetic tasks and arousal levels were measured using the Galvanic Skin Response (GSR). The findings revealed no evidence of an interaction effect of caffeine intake and performance pressure on working memory (F= .632, p= .431,hp2= .012). Given the prevalence of caffeine intake prior to facing high-pressure situations, the consumption of a cup of coffee does not improve cognitive performance as many would expect. However, caffeine intake had a stabilizing effect on the skin conductance response values during performance under pressure. Clinical psychologists can use a daily dose of caffeine as an alternative intervention or preventative measure to help patients reduce performance pressure-related anxiety.
Exploring the usefulness of the Brief COPE in clinical and positive psychology: A discriminant content validity study Ide Bagus Siaputra; Afinnisa Rasyida; Amanda Meuthia Ramadhanty; Noeroel Kentjono Endah Triwijati
Psikohumaniora: Jurnal Penelitian Psikologi Vol 8, No 1 (2023)
Publisher : Faculty of Psychology and Health - Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/pjpp.v8i1.15063

Abstract

The Brief Coping Orientation to Problem Experienced (COPE) scale is widely used for measuring coping strategies. However, concerns persist regarding the dimensions captured by the scale and the accuracy of item representation. This study examined the relevance of adapted Brief COPE items using discriminant content validity (DCV). A panel of experts (n = 15) assessed the extent to which the items corresponded to their intended dimensions. Intraclass correlation (ICC) estimates ranged from 0.640 to 0.828, indicating agreement among experts. A one-sample t-test evaluated DCV, revealing that 21 out of 28 items distinctly and exclusively measured intended dimensions, confirming their discriminant content validity. Seven items were excluded: three did not measure coping strategies (non-dimension), and four measured them in different dimensions (wrong-dimension). The discriminant content-validated Brief COPE scale improves coping assessment, benefiting psychological therapies and providing researchers with refined measures for each coping strategy dimension, addressing dimensional concerns.

Page 12 of 12 | Total Record : 112

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