Dissertation/Thesis Abstract

Predicting student performance in sonographic scanning using spatial ability as an ability determinent of skill acquisition
by Clem, Douglas Wayne, Ph.D., University of Missouri - Columbia, 2012, 183; 3530845
Abstract (Summary)

Spatial ability refers to an individual's capacity to visualize and mentally manipulate three dimensional objects. Since sonographers manually manipulate 2D and 3D sonographic images to generate multi-viewed, logical, sequential renderings of an anatomical structure, it can be assumed that spatial ability is central to the perception and interpretation of these medical images. Using Ackerman's theory of ability determinants of skilled performance as a conceptual framework, this study explored the relationship of spatial ability and learning sonographic scanning.

Beginning first year sonography students from four different educational institutions were administered a spatial abilities test prior to their initial scanning lab coursework. The students' spatial test scores were compared with their scanning competency performance scores. A significant relationship between the students' spatial ability scores and their scanning performance scores was found. This result suggests that the use of spatial ability tests for admission to sonography programs may improve candidate selection, as well as assist programs in adjusting instruction and curriculum for students who demonstrate low spatial ability.

Indexing (document details)
Advisor: Donaldson, Joe
Commitee:
School: University of Missouri - Columbia
School Location: United States -- Missouri
Source: DAI-A 74/03(E), Dissertation Abstracts International
Source Type: DISSERTATION
Subjects: Educational psychology, Science education, Higher education
Keywords: Skill acquisition, Spatial ability, Student performance
Publication Number: 3530845
ISBN: 978-1-267-70860-1
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