Social and Behavioral Sciences Commons^™

What Do We See: Number Line Estimation With Eye Tracking, Sarah Ann Salas

UNLV Theses, Dissertations, Professional Papers, and Capstones

The following paper presents a study investigating adult number line estimation patterns through use of an eye tracker. Estimation patterns were examined by changing the range of the number line on which the estimations occur from the typical ranges of 0-100 and 0-1000 to a more difficult range of 0-723. There were two main conditions of the experiment; in one condition the number to estimate and the number line were presented simultaneously, and in the other condition, the number line presentation was delayed. In each of the two conditions of the experiment, eye fixations and area of interest analysis were …