selectionmode attribute

The selectionmode attribute determines the method by which individual items are selected for presentation on a given trial. The default is random selection of items without replacement with uniform probability.

Member of

Syntax

/ selectionmode = selectionmode

/ selectionmode = expression

Parameters

selectionmode

One of the following values:

Value	Description
random	Randomly selects items.
sequence	Selects items in sequential order.

expression

An valid expression that evaluates to an integer.

Remarks

The default value is random.

Examples

The following first selects Washington, then Adams, and then Jefferson:

<list presidents>
/ items = ("George Washington", "John Adams", "Thomas Jefferson")
/ selectionmode = sequence
</list>