Such testing will improve the approach with each semester. Participants paused briefly between each set of trials. The buttons were covered with different textures to help participants distinguish them by touch, and were connected to the Macintosh computer via the PsyScope button box. Stage 2 testing identified additional bugs to be corrected and new features to be considered to facilitate student understanding of the experiment model. They responded in the scanner by pressing two button presses, one held in each hand. For PsyScope, all timing for experiments, along with all responses made during experiments, is managed by a Response Button Box developed by ioLab Systems. Subjects viewed the screen via a mirror fastened to the head coil. Findings from the individual testing in Stage 1 resulted in significant changes to documentation and training materials and identification of bugs to be corrected. In both individual and classroom testing, the students learned to effectively use PEAK within 2 h, and were able to create a lexical decision experiment in under 10 min. Formal usability testing was done in two stages: (1) detailed coding of 10 individual subjects in one-on-one experimenter/subject videotaped sessions and (2) classroom testing of 64 undergraduates. Participants reported normal or corrected-to-normal vision, and provided their written informed consent. The application then executes experiments with centisecond precision. Students fill in a spreadsheet listing of independent variables and stimuli, insert columns that represent experimental objects such as slides (presenting text, pictures, and sounds) and feedback displays to create complete experiments, all within a single spreadsheet. Following the procedure introduced by Ballas (1993), we asked subjects to listen to a large number of environmental sounds and to press a button as soon as they believed they had identified the source of each sound.
#PSYSCOPE BUTTON BOX PRO#
Sound stimuli were presented through Optimus Pro 50MX headphones. The Psychology Experiment Authoring Kit (PEAK) is a novel spreadsheet-based interface allowing students and researchers with rudimentary spreadsheet skills to create cognitive and cognitive neuroscience experiments in minutes. A PsyScope button box was used to collect the responses. In academic courses in which one task for the students is to understand empirical methodology and the nature of scientific inquiry, the ability of students to create and implement their own experiments allows them to take intellectual ownership of, and greatly facilitates, the learning process.
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