Verbal protocol and eye movements for expert and novice photograph judges

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dc.contributor.authorBrunetti, Tina Marieen
dc.contributor.committeechairSnyder, Harry L.en
dc.contributor.committeememberBeaton, Robert J.en
dc.contributor.committeememberWeiman, Noviaen
dc.contributor.departmentIndustrial and Systems Engineeringen
dc.date.accessioned2014-03-14T21:35:36Zen
dc.date.adate2010-05-04en
dc.date.available2014-03-14T21:35:36Zen
dc.date.issued1994-04-07en
dc.date.rdate2010-05-04en
dc.date.sdate2010-05-04en
dc.description.abstractEye movements are thought to be representative of an observer's attention. Researchers have used eye movements to gain insight to the mental processes of observers while they view pictorial stimuli. The present research was conducted to determine if subjective reports of attention are representative of eye movements, and if there are differences in the subjective reports between novice picture-takers and expert judges. Two studies were performed to answer these questions. The Image Evaluation study employed 24 subjects to examine 20 soft-copy photographic images. The 24 subjects were divided into four nested combinations: Protocol and Group. Two types of protocol were used, concurrent and retrospective, and two expertise groups were used, novice picture-takers and expert judges. The subjects viewed and rated the quality of each image. Subjective reports of attention were then collected by using a mouse to click on the features that influenced the quality rating. The second study, the Eye Tracker study, used six subjects, all novices, to examine and rate each image while eye movements were recorded, after which their subjective reports of attention were collected. Measures of time, frequency, location, and the quality rating were collected for each subject on all images. These measures were then subjected to parametric and nonparametric statistical tests. The two groups, expert and novice, displayed a difference only when rating the quality of the image. The two protocols were not statistically different for any dependent measure, although for this task a retrospective protocol is recommended. The subjective reports of attention did not represent the eye movements. Questions concerning the method employed to collect the reports are addressed.en
dc.description.degreeMaster of Scienceen
dc.format.extentxv, 211 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-05042010-020313en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05042010-020313/en
dc.identifier.urihttp://hdl.handle.net/10919/42486en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1994.B786.pdfen
dc.relation.isformatofOCLC# 35950330en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectperceptionen
dc.subjectphotographyen
dc.subject.lccLD5655.V855 1994.B786en
dc.titleVerbal protocol and eye movements for expert and novice photograph judgesen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineIndustrial and Systems Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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