Characteristics influencing the visual analysis of single-subject data: an empirical analysis

Article Abstract:

A study explored various graphic characteristics associated with the visual analysis of single-subject data. A sample of 20 rehabilitation therapists used visual analysis to rate 24 graphs of data sets using a traditional baseline-treatment (AB) format. Using the ntraclass correlation approach, the authors assessed the interrater reliability and found that it ranged from .52 to .66 for each graph. Data analysis revealed that the graphic characteristics of level and mean shift were associated with consistent judgments across the raters, and that changes in slope across the two phases of a graph were associated with substantial rater disagreement. The authors discuss the implications of using visual and statistical procedures to analyze single-subject data, and argue that quantitative adjuncts to visual analysis may facilitate the reliable interpretation of graphed data for a single subject. (Reprinted by permission of the publisher.)

Research, Graphic methods, Visual discrimination, Representations of graphs

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The comparative analysis and aggregation of single-case data

Article Abstract:

The use of single-case methodology has been widely promoted in many disciplines in recent years. Although the use of such a methodology by individual practitioners is feasible and desirable, little attention has been paid to the aggregation of such data for evaluating agencies. This article reports a study using single-case clinical data from an agency, and presents several methods for examining such information. The authors explore both the benefits of such analyses and the pitfalls associated with the proposed methods. (Reprinted by permission of the publisher.)

Analysis, Case studies, Social science research, Methodology, Research methods

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Origins and age of deterrence: comparative research on Old World and New World systems

Article Abstract:

The author argues the military strategy of deterrence was invented separately in Eastern and Western Hemispheres thousands of years ago. How deterrence was used in neolithic as well as contemporary technologies and the place of this strategy in behavioral patterns are discussed.

Social aspects, Deterrence (Strategy), Western Hemisphere, Eastern Hemisphere

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