Studi Deskriptif Effect Size Penelitian-Penelitian di Fakultas Psikologi Universitas Sanata Dharma  

Oleh:

Santoso, Agung

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Jurnal Penelitian Lembaga Penelitian Universitas Sanata Dharma vol. 14 no. 01 (Nov. 2010), page 1-17.
Topik: Effect size; Standardizided mean difference (SMD); Proportion of variance explained (PVE); f-value; practical significance; statistical significance

Ketersediaan

Perpustakaan PKPM Nomor Panggil: J89.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Current research was a descriptive study of effect sixe of researches that have been conducted inPsychology Departement University of Sanata Dharma. Effect size is a measure of the size of relationship or difference in a research. It is also called as practical significance of a research. The measure is needed because statistical significance can only provide information about probability of wrong decision based on statistical analysis. It is used as the basic of evaluation of importance aspect of a research. It can also be used as the basic for deciding the size of research sample in order to increase power of the analysis. This research uses secondary data from undergraduate theses that have been conducted in Psychology Departement University of Sanata Dharma. Sampel of current study was 78 undergraduate theses that use parametric statistical analyses taht produced significant statistic (p<0.05). The theses were grouped using Cohen's categorization while the variables included in each of Cohen's categorization were identified. Researcher also made new categorization the effect size based on current empirical data. The result showed that the majority of theses (67.94%) have a very strong effect size based on Cohen's categorization. It means that the theses in Psychology Departement have showed strong relationship between variables or big differences between group.

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