The loading plots of the first factor against second and third factors after exploratory factor analysis of the motorcycle riding behavior questionnaire using principal-component factor method and varimax rotation. HosseinpourfeiziHojjat Sadeghi-BazarganiHomayoun HassanzadehKamal SalarilakShaker AbediLeili BasiratShahryar Behzad AbdolahiHossein Mashhadi Khorasani-ZavarehDavoud 2018 <p>The loading plots of the first factor against second and third factors after exploratory factor analysis of the motorcycle riding behavior questionnaire using principal-component factor method and varimax rotation.</p>