Ukuran efek

Dalam statistik, ukuran efek adalah ukuran dari kekuatan hubungan antara dua variabel dalam statistik populasi, atau suatu perkiraan sampel berbasis kuantitas. Ukuran efek dihitung dari data adalah statistik deskriptif yang menyampaikan besarnya estimasi hubungan tanpa membuat pernyataan tentang apakah hubungan jelas dalam data mencerminkan hubungan yang benar dalam populasi.

Pranala luar 

Software
 MIX 2.0 Software for professional meta-analysis in Excel. Many effect sizes available.
 Effect Size Calculators  Calculate d and r from a variety of statistics.
 Free Effect Size Generator - PC & Mac Software
 MBESS - One of R's packages providing confidence intervals of effect sizes based non-central parameters
 Free GPower Software  - PC & Mac Software
 Free Effect Size Calculator for Multiple Regression  - Web Based
 Free Effect Size Calculator for Hierarchical Multiple Regression  - Web Based
 Copylefted Online Calculator for Noncentral t, Chisquare, and F Distributions  - Collaborated Wiki Page Powered by R
 ES-Calc: a free add-on for Effect Size Calculation in ViSta 'The Visual Statistics System' . Computes Cohen's d, Glass's Delta, Hedges' g, CLES, Non-Parametric Cliff’s Delta, d-to-r Conversion, etc.

Further Explanations
 Effect Size (ES) 
 EffectSizeFAQ.com
 Measuring Effect Size
 Effect size for two independent groups 
 Effect size for two dependent groups 
 Computing and Interpreting Effect size Measures with ViSta 

Statistika