langtest.jp

Web Tools for Language Research and Practice

Statistical Analysis Tools

Reliability Analysis

Cronbach's Coefficient Alpha (mirror)

Alternative Reliability Indexes (mirror)

Basic Statistics

Basic Statistics Calculator (mirror)

Learning by Doing Stats (t-test Tutorial) (mirror)

Comparative Analysis

Comparing Two Independent Samples (mirror)

Comparing Paired Samples (mirror)

Power Analysis for t-tests (mirror)

Effect Size Calculator (Means, SDs, Ns) (mirror)

ANOVA & Related Analysis

ANOVA (mirror)

ANCOVA for Pre-posttest Design (mirror)

Non-parametric Tests

Non-parametric Tests (mirror)

Chi-square Test (mirror)

McNemar's Test and Cochran's Q Test (mirror)

Cohen's Kappa and Other Interrater Agreement Measures (mirror)

Correlation & Regression

Correlation (mirror)

Regression Analysis (mirror)

Dominance Analysis (Relative Importance) (mirror)

Multivariate Analysis

Cluster Analysis (mirror)

Exploratory Factor Analysis (mirror)

Principal Component Analysis (mirror)

Correspondence Analysis (mirror)

Tree-based Models (mirror)

Structural Equation Modeling (SEM) (mirror)

Data Processing

Binary (1-0) Data Converter (mirror)

Screening Data (mirror)

Test Theory

Classical Test Theory (Item Analysis) (mirror)

Criterion-referenced Testing (Item Analysis) (mirror)

Generalizability Theory (mirror)

Rasch Model (1PL IRT) (mirror)

Item Response Theory (mirror)

Many-Facet Rasch Measurement (MFRM)

Meta Analysis

Meta-analysis (mirror)

Text Analysis Tools

Readability (mirror)

New SVL12000 Profiler

New Word Level Checker

LexiTracker (Public Version)

LexiTracker LMS (Members Only)

Computerized Adaptive Testing (CAT)

VocabCAT-SVL

Word Part Levels Test (CAT ver.)

Other Tools

APA Title Converter

About

Atsushi MIZUMOTO

Professor of Applied Linguistics
Faculty of Foreign Language Studies
Graduate School of Foreign Language Education and Research
Kansai University, Osaka, Japan