The position attribute specifies the screen location of the response textbox for an openended trial.
or
/ position = (xexpression, yexpression)Name | Type | Description |
---|---|---|
x | extent | The horizontal screen coordinate in pixels, percent(default), or points. |
y | extent | The vertical screen coordinate in pixels, percent(default), or points. |
xexpression | value | An expression that resolves to a value or property indicating the horizontal screen coordinate in pixels, percent(default), or points. If x is set to null and y is specified, x is set to the pixel value of y. |
yexpression | value | An expression that resolves to a value or property indicating the vertical screen coordinate in pixels, percent(default), or points. If y is set to null and x is specified, y is set to the pixel value of x. |
Horizontal percentage ranges from 0 to 100 with 0 corresponding to the left edge of the screen and 100.0 to the right. Vertical percentages also range from 0 to 100, with 0 placing the stimulus at the top edge of the screen and 100 placing it at the bottom edge. Percentages may be specified as decimals (e.g., 52.968) for increased precision. The default position is the middle of the screen (50, 50).