Components

A stimulus may be composed of one or more components. Stimuli that are composed of multiple components are described as compound stimuli. Components are composed of one or more component groups.

Adding a component group

You can add component groups by clicking on New group and selecting from one of three types:

Removing a component group

A component group can be removed by selecting it using the checkbox and clicking Delete in the toolbar above the table. You can also select and delete multiple component groups at once.

WARNING: Removing a component group will also remove:

Setting component composition strategy

If components has multiple children (Figure 1), compound stimuli are produced and a composition strategy for building the stimuli needs to be determined. Click Composition: sequential to set the composition strategy.

  • Sequential: compound stimuli will be composed by selecting items from each group sequentially.
  • Random: compound stimuli will be composed by selecting items from each group randomly.

Figure 1. Example stimulus tree with compound stimuli (Psychstudio)

Figure 1. Example stimulus tree with compound stimuli