09-02-2020, 08:06 AM
To make only a specific part of the screen clickable, you can use a Mouse Trigger and define its active region. The Mouse Trigger Example illustrates how to implement position-contingent Mouse Triggers.
The Basic Setup
Advanced Tips
Link to a Screen Resource: For a dynamic setup, you can link the Location, Width, and Height properties of the clickable region to another screen resource (like an image). If that image moves, the clickable area will automatically move with it.
Use an Interest Area (IA): The most flexible method is to set an Interest Area as the triggering region. The clickable area will automatically adopt the size and position of the IA you select. If your screen has multiple IAs, you can specify exactly which one should act as the trigger.
The Basic Setup
- Add a Mouse Trigger to your trial sequence.
- In its properties, check the box for "Position Trigger".
- Specify the Shape (RECTANGLE or ELLIPSE), Location, Width, and Height to define the clickable area.
- Use the Within property to control the trigger's behavior:
- Checked: The trigger fires when the participant clicks inside the defined region.
- Unchecked: The trigger fires when the participant clicks outside the defined region.
- Checked: The trigger fires when the participant clicks inside the defined region.
Advanced Tips
Link to a Screen Resource: For a dynamic setup, you can link the Location, Width, and Height properties of the clickable region to another screen resource (like an image). If that image moves, the clickable area will automatically move with it.
Use an Interest Area (IA): The most flexible method is to set an Interest Area as the triggering region. The clickable area will automatically adopt the size and position of the IA you select. If your screen has multiple IAs, you can specify exactly which one should act as the trigger.