Ukuran kesan

Dalam statistik, ukuran kesan adalah sejenis ukuran dari kekuatan hubungan antara dua pembolehubah dalam statistik populasi, atau suatu perkiraan contoh berasas kuantiti. Ukuran kesan dikira dari data adalah statistik deskriptif yang menyampaikan besarnya anggaran hubungan tanpa membuat pernyataan tentang apakah hubungan jelas dalam data mencerminkan hubungan yang sebenar dalam populasi.

Pautan luar 

Perisian
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.

Penerangan lanjutan
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 

Statistik