"Shuffle'' is a program to extract random samples or to produce ``quasi-randomized'' sequences of items. It allows to select permutations that avoid repetitions of similar items: The user can set limits on the number of consecutive occurrences of items associated with some labels, or, specify the minimal distance separating two items with the same labels. ``Shuffle'' is useful to extract random samples from a dictionary, or to generate quasi-randomized lists of stimuli avoiding runs of trials belonging to the same categories.
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"Shuffle'' is written in the Perl language and uses the Tk module.
Note: If shuffle closes immediatly upon start, search your disk for the file "shuffle_tk.pl", open it with a text editor like notepad and go to line 68.Change the line:
$Bot1->Label(-text =>'Seed=')->pack(side => 'right');so that the line becomes:
$Bot1->Label(-text =>'Seed=')->pack(-side => 'right');(that is, Just add an hyphen '-' in front of "side")