Pemahaman Peneliti Psikologi mengenai Besaran Sampel: Data dan Simulasi

Jurnal Psikologi

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Field Value
 
Title Pemahaman Peneliti Psikologi mengenai Besaran Sampel: Data dan Simulasi
 
Creator Wiradhany, Wisnu
Adiasto, Krisna
Yulianto, Jony Eko
Kiling, Indra Yohanes
 
Subject Psychometric
effect size; replication crisis; sample size; statistical power
 
Description The lack of knowledge on how to determine sample sizes in experiments is arguably one of the main reasons underlying the replication crisis in psychological science. A survey distributed among Indonesian students and researchers concerning 1) familiarity and understanding of statistical concepts related to sampling size determination, 2) current sample size determination practices in experiments, and 3) ideal sample sizes for experiments. Subsequently, we simulated expected statistical power given the sample sizes reported in the survey. Results demonstrated that 1) while a majority of participants were somewhat familiar with statistical concepts related to sampling size determination, they did not always endorse the correct and/or complete definition of each concept. Furthermore, 2) participants relied on practical considerations in determining sample sizes. Consequently, 3) the reported sample sizes did not have sufficient power to detect small to medium effect sizes, which are commonly present in psychological science.
 
Publisher Faculty of Psychology, Universitas Gadjah Mada
 
Contributor
 
Date 2019-08-06
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion


 
Format application/pdf
 
Identifier https://jurnal.ugm.ac.id/jpsi/article/view/24260
10.22146/jpsi.24260
 
Source Jurnal Psikologi; Vol 46, No 2 (2019); 163-180
Jurnal Psikologi; Vol 46, No 2 (2019); 163-180
2460-867X
0215-8884
 
Language eng
 
Relation https://jurnal.ugm.ac.id/jpsi/article/view/24260/25142
 
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Rights Copyright (c) 2019 Jurnal Psikologi
http://creativecommons.org/licenses/by-sa/4.0
 

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