The Effect of Video Image Size and Screen Refresher Rate on Content Mastery and Source Credibility in Distance Learning Systems.

Abstract

In a laboratory setting, this study examined the effect of image size and refresh rate of those images on the subjects' abilities to recall content, and subjects' perceptions of source credibility. The results suggest that larger images and faster refresh rates do not increase content retention. Further analysis revealed that larger, more realistic televised lectures do not significantly enhance source credibility along the dimensions of attention, confidence, relevance, or satisfaction. This study lends evidence to the notion that Internet based course delivery, using small, slow images may be as effective in terms of learning outcomes and satisfaction, as high bandwidth networks.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
May 01, 1998
Accession Number
ADA370562

Entities

People

  • John F. Long
  • Robert G. Main
  • Wendi A. Beane

Organizations

  • California State University, Chico

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Bandwidth
  • Computer Communications
  • Descriptive Analytics
  • Distance Learning
  • Education
  • Governments
  • Information Science
  • Internet
  • Local Area Networks
  • Networks
  • Statistics
  • Students
  • United States
  • Video
  • Video Images

Readers

  • Human-Computer Interaction (HCI).
  • Instructional Design and Training Evaluation.
  • Organizational Psychology.