Digit Span Backward ———————— The experiment: In this task participants are required to memorise and recall number series in order. Participants start out with three 3-digit sequences. If participants correctly recall 2 out of 3 three sequences, they progress to 4-digit sequence trials and so on. If participants respond incorrectly on 2/3 trials the experiment terminantes. This experiment is based on the original digit span experiment by Jacobs (1887). Analysing your data: Data is stored in the excel file produced by PsychoPy in the data folder. correct column includes data from experimental trials. 1 represents correct response and 0 reperesents incorrect response. References: Jacobs, J. (1887). Experiments on “Prehension”. Mind, 12, 75-79.