On-Line Experiments - Main Menu
USD Internet Psychology Laboratory

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Step 2: Select one of the Experiments listed below

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Sensation & Perception Experiment Gallery
(Note: These experiments require the Sun Java 1.4.2 plugin)

Week 2: Measure the Location and Size of your Retinal Blind Spot
12A-Map your Blind Spot

Week 3: Weber's Law of the "Just Noticeable Difference"
13A-Line Length Discrimination Experiment

Week 5: Assess Visual Acuity as a Function of Target Eccentricity
27A-Peripheral Visual Acuity Experiment

Week 6: 2IFC Determination of your Contrast Sensitivity Function (CSF)
15A-Contrast Sensitivity Function Experiment

Week 7: Perceived Depth as a Function of Retinal Disparity
Random Dot Stereograms (Red/Blue anaglyph glasses required)
16A-Binocular Depth Perception Experiment

Week 8: Global Motion Sensitivity using Random Dot Cinematography
17A-Motion Discrimination Experiment

Week 10: Auditory Sensitivity as a Function of Pure-Tone Frequency
(Requires stereo headphones and SoundBlaster-compatible sound card)

Step-1.  Explore Pure-Tone Stimulus Generator
Step-2.  Sound Card Adjustment
Step-3.  vonBekesy Audiometry Experiment (18A)

Week 11: Sound Localization as a Function of Varying Binaural Cues
(Requires stereo headphones and SoundBlaster-compatible sound card)
Sound Localization Experiments (19A-Interaural Intensity Differences; 19B-Interaural Time-of-Arrival Differences)

Week 13: Touch Acuity Experiment Instructions (2-Point Threshold)

Cognitive Psychology Experiment Gallery
(CogLab user documentation remains sparse -- Hope to remedy this shortcoming soon!!!)
Notice: These experiments have been modified to run using the Sun Java 1.4.2 plugin.
The (obsolete) Microsoft Java Virtual Machine will no longer be supported.

Treisman Visual Search Paradigm
01A-Feature Search Experiment
01B-Conjunction Search Experiment

Sperling Partial Report Paradigm
02A-Whole Report Experiment
02B-Partial Report Experiment (ISI=50 msec)
02C-Partial Report Experiment (ISI=500 msec)
02D-Partial Report Experiment (ISI=1000 msec)

Spreading Activation Hypothesis
03A-Lexical Decision Making Experiment

Mental Imagery
04A-Mental Rotation Experiment

Change Blindness
05A-Rensink Paradigm Experiment

Working Memory Search
06A-Sternberg Memory Scan Experiment

Levels-of-Processing Memory Model
07A-Craik & Tulving's Depth-of-Processing Experiment

Miscellaneous Demonstrations
(complements of Professor Schieber)

Imposition of "Change Blindness" via Event Masking (Rensink Paradigm)
(Right-Click stimulus screen for access to pop-up control menu)

Serial Search (AutoTrails II Test)
(On-line demonstration of "touch screen" diagnostic protocol)
(Demo uses a mouse instead of touch-sensitive display monitor)

Fast Color Adaptation Demonstration   Color Mixing Demo  Additive Color Mixing  Subtractive Color Mixing  Color 'Blindness' Simulation

Craik-O'Brien Contrast Phenomenon   Miscellaneous Contrast Phenomena

Biological Motion Synthesizer          Queen's University Bio Motion Lab

A Provocative Reading Demonstration

Motion Induced Blindness   Inattention Blindness (Simons)   Inattention Blindness (Posner)

What you hear is what you see?
(A reversal of Vision's characteristic dominance over the other senses)

McGurk Effect
(What you see can influence what you hear)

An Animated Demonstration of a Reversible Figure/Ground "Illusion"

Lab Home Page - Professor Schieber's Home Page - Previous Page