IMPORTANT NOTE: This is a project conducted for the purposes of a cognitive psychology class. I am not a psychologist, researcher or expert in conducting experiments.
A short description about the project and/or client.
These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.
The things you need before running experiment.
- OpenSesame, open sourced software for creating and running psychology experiments
- JASP, open sourced software for running statistics
- MindProbe account (registration on requeest only
- Jatos (MindProbe connects to Jatos, Jatos delivers a database)
- Replit account OR Python (optional)
Experiment in-depth explanation
- Participants in the study will be people between the ages of 18 and 65 who do not have any memory disorders (under the age of 18 you need to have consent)
- The number of participants in the study should be at least 50 for the results to be accurate
- Prepare a list of digits/numbers that will be displayed on the test participant's screen
- Each set will consist of 12 numbers
- Each set will have a different length of digits
- one digit
- two digits
- three digits
- Introduction to the study, using on-screen messages
- Instructing to prepare an adequate environment; removing possible distractors
- Asking them to fill out a simple metric
- Informing them of the estimated duration of the survey
- Asking participants not to write down the numbers displayed
- Displaying each of the 3 prepared sets sequentially with 1.5 seconds to remember
- Displaying successively each of the 3 prepared sets with 4 seconds to memorize time
- After each set is displayed, there will be a short fifteen second pause
- Participants will be asked to memorize the displayed digits/numbers in the correct order
- Calculation of the correctness and similarity of the answers for each number (using levenshtein distance)
- The results will be statistically analyzed to determine the veracity of the hypotheses posed
- Numbers with fewer digits will be remembered more correctly than numbers with more digits.
- The average correctness of number memorization will be 70%, with a standard deviation of 20% in both directions.
- Subjects will be more likely to correctly memorize numbers with fewer digits than numbers with more digits.
- The correctness of number memorization will depend on the difficulty level of the task, so the easier the task, the higher the correctness of number memorization. The average correctness of memorizing numbers in the test will be 70%, and the standard deviation will be 20%.
$ Download OpenSesame and import digitspan.osepx
$ Run the experiment pressing by "CTRL+R"
$ Open OpenSesame and import digitspan.osepx
$ open the 'Tools' and 'OSWeb'
$ 'Export experiment as a JATOS study'
$ Login to mindprobe account
$ import the study
$ press on 'Properties' and enable 'Allow reload'
$ go to 'Study Links' and enable 'General Multiple'
$ copy the link for share
$ go to 'Study Results'
$ export results as 'Data only'
$ convert .json to .csv
$ combine multiple .csv into one
$ prepare the .csv for statistics
$ Open JASP and import the .csv file
$ Follow the tutorial from provided link in Additional Documentation
- youtube: Creating a psychology experiment with OpenSesame 3.1
- youtube: OpenSesame 3.1 tutorial: Cats, Dogs, and Capybaras
- youtube: One-Way Between Subjects ANOVA Using JASP
- Baddeley, A. D., Thomson, N., & Buchanan, M. (1975). Word length and the structure of short-term memory. Journal of Verbal Learning and Verbal Behavior, 14(6), 575-589. doi:10.1016/s0022-5371(75)80045-4
- Miller, G. A. (1956). The magical number seven, plus or minus two: some limits on our capacity for processing information. Psychological Review, 63(2), 81-97. doi:10.1037/h0043158
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