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Psychology Experiment Authoring Kit (PEAK): formal usability testing of an easy-to-use method for creating
Walter Schneider1, D J Bolger, Amy Eschman
1Learning, Research and Development Center, University of Pittsburgh, 3939 O'Hara Street, Pittsburgh, PA 15221, USA. wws@pitt.edu
Behavior Research Methods
|September 21, 2005
Summary
The Psychology Experiment Authoring Kit (PEAK) enables students to easily create cognitive neuroscience experiments. This novel tool facilitates learning empirical methodology and scientific inquiry through hands-on experiment design.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Educational Technology
Background:
- Understanding empirical methodology is crucial for students in scientific inquiry.
- Student-led experiment creation enhances learning and intellectual ownership.
- Existing tools may lack accessibility for students with basic spreadsheet skills.
Purpose of the Study:
- To introduce the Psychology Experiment Authoring Kit (PEAK), a novel interface for creating cognitive and cognitive neuroscience experiments.
- To evaluate the usability and effectiveness of PEAK for students with rudimentary spreadsheet skills.
- To identify areas for improvement in PEAK's design, documentation, and features.
Main Methods:
- PEAK utilizes a spreadsheet-based interface where users define variables and stimuli.
- Experiments are executed with centisecond precision.
- Usability testing involved two stages: individual sessions with 10 subjects and classroom testing with 64 undergraduates.
Main Results:
- Students learned to use PEAK effectively within 2 hours.
- Participants could create a lexical decision experiment in under 10 minutes.
- Usability testing led to identification of bugs and informed improvements in documentation and training.
Conclusions:
- PEAK significantly facilitates the creation of cognitive and cognitive neuroscience experiments by students.
- The tool enhances the learning process of empirical methodology and scientific inquiry.
- Iterative usability testing is vital for refining PEAK and improving student understanding of experimental design.
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Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.