| APPLET | SOURCE | DESCRIPTION |
|
| The Before-and-After Test for Means and Variances/Two Dependent Population Testing | A Collection of JavaScript E-labs Learning Objects (Arsham) | Tests 2-tailed hypotheses about paired means and variances based on up to 42 pairs of observations (entered one by one) and provides interpretations of p-values, has option to test against difference values other than zero. Also calculates correlation coefficient. more |
| Student-t Test for One Sample | Phonetic Sciences, University of Amsterdam | Conducts paired t test on raw data either pasted in or entered. more |
| Student-t Test for Two Samples | Phonetic Sciences, University of Amsterdam | Conducts independent samples test on raw data either entered or pasted in. more |
| Group Differences Menu, Paired difference or Paired t test | Dept. of Obstetrics and Gynaecology, Chinese Univ. of Hong Kong, Statistical Toolbox | Paired difference conducts paired t-test for raw data pasted in or entered in pairs, Paired t test uses summarized data. more |
| t-test: Independent Groups | Vadum, Rankin: Psyschological Research Statistical Applets (Rankin) | Calculates test statistic and 1-tailed and 2-tailed p-values for a independent samples t-test. more |
| t test calculator | GraphPad, QuickCalcs | Conducts either paired or independent t test for sample sizes up to 50 (for data entered manually) or up to 2000 (for data pasted in), or based on summary statistics, produces 2-tailed p-value with interpretation and confidence interval for difference. more |
| Student's t-Tests | Statistics to Use (Kirkman) | Conducts tests on paired samples (entered one by one) or independent samples (pasted or entered in), provides descriptive statistics and confidence intervals for each sample and difference. more |
| The Significance of the Difference Between Two Independent Proportions | Vassar Stats (Lowry) | Computes 1- and 2-tailed p-values for a hypothesis test for independent proportions based on summary data. more |