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Download full textTindal, Gerald; And Others – 1983
The focus of this study was on the visual analysis of time series data for evaluating educational programs. Two characteristics of the data--changes in slope and variability--and two characteristics of evaluation--training in data utilization and the use of aimlines/decision rules--were manipulated. A total of 51 students and/or teachers in…
Descriptors: Data Analysis, Evaluation Methods, Evaluation Utilization, Program Effectiveness
White, Sylvia E. – 1983
To measure how the complexity of a television image affects the viewer's ability to identify or recognize visual details within the image, two coders rated the form complexity of 30 public service announcements, basing their evaluation on the familiarity of the images in the announcements, the rate at which they presented new information, and the…
Descriptors: Behavioral Science Research, Cognitive Processes, College Students, Perception Tests
Peer reviewedOttenbacher, Kenneth J. – Journal of Special Education, 1990
The agreement between visual analysis and the results of the split-middle method of trend estimation was examined using a set of 24 stimulus graphs and 30 raters. Results revealed poor agreement between the two methods, and low sensitivity, specificity, and predictive ability for visual analysis in relation to statistical inferences. (JDD)
Descriptors: Elementary Secondary Education, Estimation (Mathematics), Evaluation Methods, Graphs
Skiba, Russell; And Others – 1983
Research on the analysis of time-series data has shown that decisions reached through visual analysis of the data may be influenced by the statistical parameters of those data. The current study investigated the statistical properties of curriculum-based time-series data for 68 elementary resource room students in four Minnesota school districts.…
Descriptors: Data Analysis, Diagnostic Teaching, Elementary Education, Reading Tests
Peer reviewedMoore, David M.; Bedient, Douglas – Journal of Instructional Psychology, 1986
Describes two experiments conducted with undergraduate students to determine effects of field dependence/independence on visual characteristics and presentation modes. The first studied content information recall from still projected visuals of different sizes and types of illustrations; the second studied visual-location task performance and…
Descriptors: Field Dependence Independence, Higher Education, Intermode Differences, Literature Reviews
Peer reviewedRiding, R. J.; Hardaker, R. W. – Journal of Educational Television, 1986
This study used three treatment conditions to examine feasibility of augmenting computer-presented learning activities for preschool children with instructional videotapes: computer activities alone, a videotape designed to improve visual discrimination with computer activities, and videotape with activities and discussion. Results indicate…
Descriptors: Comparative Analysis, Computer Assisted Instruction, Foreign Countries, Instructional Materials
Tindal, Gerald; Deno, Stanley – 1983
The focus of this study was on the relationship between visual and statistical analyses of time series data and the degree to which characteristics of the data influenced this relationship. A total of 52 teachers took part in evaluating a series of graphs having prespecified characteristics. The independent variables manipulated included: slope,…
Descriptors: Adults, Correlation, Data Analysis, Elementary School Teachers
