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ERIC Number: EJ878764
Record Type: Journal
Publication Date: 2010-Mar
Pages: 17
Abstractor: As Provided
Reference Count: 24
ISSN: ISSN-1045-3830
Visual Analysis of Multiple Baseline across Participants Graphs when Change Is Delayed
Lieberman, Rebecca G.; Yoder, Paul J.; Reichow, Brian; Wolery, Mark
School Psychology Quarterly, v25 n1 p28-44 Mar 2010
A within-subjects group experimental design was used to test whether three manipulated characteristics of multiple baseline across participants (MBL-P) data showing at least a month delayed change in slope affected experts' inference of a functional relation and agreement on this judgment. Thirty-six experts completed a survey composed of 16 MBL-P graphs. Graphs with steep slopes, once change began, were far more likely to be judged as showing a functional relation. Generally, experts disagreed with each other regarding functional relation judgments. Implications for the types of dependent variables that fit the requirements of MBL-P are discussed. (Contains 2 tables and 5 figures.)
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Evaluative
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A