alfred3.section#
Sections organize movement between pages in an experiment.
Classes
A section that allows only a single step forward; no jumping and no backwards steps.  | 
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A section that hides pages once they have been submitted.  | 
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A section that disables all input elements upon moving forward (and jumping) form it, but still allows participants to revisit previous pages.  | 
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The basic section, allows forward and backward movements.  |