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All Journal Jurnal Psikologi Psikohumaniora: Jurnal Penelitian Psikologi
Hendriks, Marc P. H.
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Psychometric properties of the Five-executive Function Tests in Indonesian samples Wulanyani, Ni Made Swasti; Widhianingtanti, Lucia Trisni; Immanuel, Aria Saloka; Aisyah, Aireen Rhammy Kinara; Hendriks, Marc P. H.; Hestyanti, Yohana Ratrin; Suryani, Angela Oktavia; van Luijtelaar, Gilles
Psikohumaniora: Jurnal Penelitian Psikologi Vol. 9 No. 1 (2024)
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.v9i1.20957

Abstract

Difficulties in executive function (EF) may be causative factors in clinical conditions, including learning disabilities, depression, and anxiety. However, defining the structure of EF is an ongoing issue, although Miyake’s three-factor structure is widely accepted. This study aims to discover the underlying factor structure of EF domains, as measured by five tests and the scores of 840 participants, to establish the domains’ validity and reliability. Five neuropsychological tests were included in the exploratory and confirmatory factor analyses (EFA and CFA): the Digit Span (DS); the Stroop Color Word Test (Stroop Test); the phonemic Verbal Fluency Test (pVFT); the Five Point Test (5PT); and the Trail Making Test (TMT). EFA could be meaningfully performed (KMO = .862, Bartlett’s test: ????2 =1393.169, df 45, p < .001) and yielded three factors closely mirroring the three core domains of EF. CFA of the model in which the 5PT loaded on factor 2 showed the best goodness of fit indicators, although the difference with the other three-factor models was small. Currently, these EF tests are available in Indonesia and suitable for use, although obtaining normative scores adjusted for demographic factors is necessary.
Evaluating PVTs diagnostic accuracy through simulation study in Indonesian older adults Yanuar, Alfo; Adhiatma, Widhi; Hendriks, Marc P. H.; Halim, Magdalena Surjaningsih
Jurnal Psikologi Vol 24, No 2 (2025): Oktober 2025
Publisher : Faculty of Psychology, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jp.24.2.197-207

Abstract

Background: The accurate assessment of cognitive ability requires valid data, particularly among older adults. Non-credible performance, or symptom exaggeration, threatens the validity of neuropsychological assessments in Indonesia. Purpose: This study aims to examine the diagnostic accuracy of four Performance Validity Tests (PVTs) by comparing healthy older adults and individuals simulating cognitive impairment. Method: An experimental two-group design was used (N=25). Participants passed rigorous cognitive screening (MoCA > 26) and were randomly assigned to a control (n=12) or experimental (n=13) group. PVTs included NV-MSVT, TMJPI, CIHT, and embedded TMT measures. Findings: Mann-Whitney U tests showed significant differences (p< .05) between groups, with controls outperforming simulators. ROC analysis yielded optimal cut-off scores for all PVTs: NV-MSVT A1 (≤ 83), NV-MSVT A2 (≤ 79), TMJPI (≤ 87), CIHT (≤ 9), TMT-A (≥ 131), and TMT-B (≥ 200). AUC values ranged from .713 to .907, indicating good to excellent accuracy in distinguishing the groups. Implication: These findings establish a robust empirical foundation for more ethical and valid neuropsychological research in Indonesia, providing culturally relevant cut-offs to mitigate misdiagnosis in clinical practice, advance cross-cultural neuropsychology in Asia, and strengthen administrative and forensic decision-making.
Co-Authors Adhiatma, Widhi Aisyah, Aireen Rhammy Kinara Angela Oktavia Suryani Halim, Magdalena Surjaningsih Hestyanti, Yohana Ratrin Immanuel, Aria Saloka Ni Made Suasti Wulanyani van Luijtelaar, Gilles Widhianingtanti, Lucia Trisni Yanuar, Alfo