![]() Gaze data was collected with the Tobii Pro Spectrum eye tracker running at 300 Hz and software based on the open source toolbox Titta. After watching a short video tutorial, participants were asked to complete two masking tasks.They were allowed to switch back to the video in case of confusion. Overall data from seven participants (six novices and one expert) has been collected. The goal of the study is to analyze how gaze strategies of novices differ from those of experts with regard to the tutorial video as competency evolves. The study aims to analyze the gaze strategies of novice and expert Photoshop users while they are following a tutorial video on a masking task. The version information should contain in a 64-bit installation, or in a 32-bit installation.Current studies have demonstrated that eye tracking can be used as an objective tool to measure participants as their competency evolves, with potential application in graphic design softwares, like Adobe’s Photoshop. ![]() To check which Python version you are using, you can look at the first line of output when starting a Python shell. These are the direct download links to the relevant files: ![]() The “Microsoft Visual C++ Redistributable for Visual Studio 2019” installer can be downloaded from Microsoft’s website, listed under the “Other Tools and Frameworks” section. ![]() This error is cause by some missing system files, but can luckily be solved quite easily by installing the “Microsoft Visual C++ Redistributable for Visual Studio 2017”. Sometimes on Windows, the installation works, but importing Parselmouth fails with an error message saying ImportError: DLL load failed: The specified module could not be found. If you do not have pip installed, you follow these instructions to install pip: ImportError: DLL load failed on Windows ¶ To install Parselmouth in a standalone version of PsychoPy, the following script can be opened and run from within the PsychoPy Coder interface: psychopy_installation.py For Windows and Mac OS X, however, standalone versions of PsychoPy exist, and the software does currently not allow for external libraries to be installed with pip. There are two different ways in which PsychoPy can be installed: it can just be manually installed as a standard Python library, in which case Parselmouth can just be installed next to it with pip. If you are using yet another Python distribution, we are definitely interested in hearing about it, so that we can add it to this list! PsychoPy ¶Īs a Python library, Parselmouth can be used in a PsychoPy experiment. Otherįor other distributions of Python, we are expecting that our package is compatible with the Python versions that are out there and that pip can handle the installation. However, we currently have not figured out how to provide precompiled packages, so you will have to still compile the wheel yourself (or contribute an automated way of doing this to the project!). In principle, recent versions of PyPy are supported by the pybind11 project and should thus also be supported by Parselmouth. As far as we know however, Parselmouth can just be installed with the accompanying pip of these distributions. We currently do not have Homebrew or MacPorts packages to install Parselmouth. If you use the Anaconda distribution of Python, you can use the same pip command in a terminal of the appropriate Anaconda environment, either activated through the Anaconda Navigator or conda tool. The version of Praat on which this version of Parselmouth is based and the release date of that Praat version are available as PRAAT_VERSION and PRAAT_VERSION_DATE, respectively. ![]() To figure out if you can or should update, the version number of your current Parselmouth installation can be found in the parselmouth.VERSION variables. ![]()
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