FREE for use with an Inquisit Lab or Inquisit Web license.
A questionnaire on spatial and navigational abilities, preferences, and experiences designed by Hegarty et al (2002).
Hegarty, M. Richardson, A. E., Montello, D. R., Lovelace, K & Subbiah, I. (2002).
Development of a Self-Report Measure of Environmental Spatial Ability. Intelligence, 30, 425-447.