Timing errors can impact three primary aspects of psychological testing: the timing of events within a test, the precise timing of visual stimulus onsets and offsets, and the precise timing of responses. Available from Evaluation of timing properties of PEBLįor many neuropsychological tests, researchers are interested in the time measurement precision of the software, and this is true for many tests in the PEBL Test Battery, where precise timing is an important aspect of the psychological test. ![]() The Psychology Experiment Building Language (Version 0.13). The American Psychological Association (APA) guidelines suggest that software such as PEBL can be cited in a format such as: Each test attempts to provide a reasonable stand-alone implementation of the paradigm, but typically offers the ability to change and alter the task to suit the needs of a Citing PEBLĭifferent citation formats have different practices for citing software. Each subsequent release of the main PEBL system has been accompanied by an updated test battery which includes improvements, bug fixes, and new tests. As a basic overview, PEBL 0.13 supports a number of stimulus types, including images (in a variety of image formats), text rendered in TrueType fonts using both single-line stimuli and multi-line text objects many rendered shape primitives (lines, The PEBL Test Batteryįirst released in mid-2006, the objective of the PEBL Test Battery is to bring open-source versions of common testing paradigms to the research and clinical testing community. We provide a 200-page reference manual that can be freely downloaded or purchased on-line which details the programming system and its functions (Mueller, 2012a, Mueller, 2012b). The features of PEBL are far too numerous to describe in detail here. At the time, there were no robust cross-platform Free systems available, which meant that major vendors would focus on one platform (e.g., Psyscope for Macintosh computers, Superlab or Features of PEBL The initial motivation for its development and design was a dissatisfaction with the current experiment-running systems available. An initial limited release of PEBL 0.1 was made in 2003, with the first public release to the servers in January 2004. Section snippets History of the Psychology Experiment Building Languageĭevelopment and design of PEBL began in 2002.
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