The download files are being updated. Please contact me for up-to-date information.

These downloads contain the current version of the software. The evaluation license expires June 1, 2008. Each compressed file contains current versions of the applications, library files, a folder of pdf documents. The compressed files are about 16 MB. Contact ripplesoftware@mac.com for current pricing.

Applications included in the download are (1) Decision Making, (2) Fit Line to Data, (3) Generate Data Sheets, (4) Magnitude Estimation Task, (5) Muller-Lyer Task, (6) Plot Data, (7) Reaction Time Task, (8) SDT Model, (9) Plot SDT Data, (10) SDT Simulation, (11) SDT Task, (12) Statistics Tool, (13) z-Problems, (14) Sternberg Task [courtesy of Dr. Robert Padgett].

Task Directions Readme

Signal Detection Theory Lab

Signal Detection Theory Lab (revised)

Signal Detection Theory Simulation Task

Sampling Distribution Worksheet

The Role of "Null Matches" in Science and Psychology

N(28, 5) Worksheet

Muller-Lyer Research Examples

Muller-Lyer Task Directions