Judgment of Line and Position Task (JLAP)

FREE for use with an Inquisit Lab or Inquisit Web license.

Available Test Forms

Judgment of Line and Position Task

A task in which participants judge line angles as developed by Collaer et al (2007).
Duration: 3 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated


Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Judgment of Line and Position Task (JLAP).

Collaer, Marcia L, and Erica M Hill. “Large Sex Difference in Adolescents on a Timed Line Judgment Task: Attentional Contributors and Task Relationship to Mathematics.” Perception, vol. 35, no. 4, 2006, pp. 561–572.

Collaer, M., Reimers, L., & Manning, S. (2007). Visuospatial Performance on an Internet Line Judgment Task and Potential Hormonal Markers: Sex, Sexual Orientation, and 2D:4D. Archives of Sexual Behavior, 36(2), 177-192.

Chen, Jing, et al. “ERP Correlates of Social Conformity in a Line Judgment Task.” BMC Neuroscience, vol. 13, no. 1, 2012, p. 43.

Goyette, Sharon Ramos, et al. “Sex Differences on the Judgment of Line Orientation Task: A Function of Landmark Presence and Hormonal Status.” Physiology & Behavior, vol. 105, no. 4, 2012, pp. 1045–1051.