Power for the improved general approximation (IGA) and the Welch-James tests of the within-subjects (trials) main effects and the within-subjects x between-subjects (groups x trials) interaction was estimated for a design with one between- and one within-subjects factor. Results show that little if any power is sacrificed by using these methods.…

Single-subject research plays an important role in the development of evidence-based practice in special education. The defining features of single-subject research are presented, the contributions of single-subject research for special education are reviewed, and a specific proposal is offered for using single-subject research to document…

A demonstration of the effects of reinforcement requires comparison of response rates in the presence of a contingency with those in another condition that controls for the influence of extraneous variables. We describe several control conditions that have been used in evaluating the effects of positive and negative reinforcement. The…

In this paper, the authors describe the benefits and pitfalls of mixed methods designs. They argue that mixed methods designs may be preferred when evaluating professional development programs for p-K-12 education given the new call for accountability in making data-driven decisions. They summarize and critique the studies in terms of limitations…

The purpose of this study was to evaluate the effects of enhanced milieu teaching when combined with a voice output communication aid on the requesting skills of three children with autism. The research design was a multiple probe across participants. All sessions were conducted during 5-min play sessions in the child's classroom. All three…

A critical historical review of the tensions in American governance places the method choice debate in a broader perspective. This chapter reviews the factors that influence the evaluation questions posed to evaluators and, in turn, the methods choices that stem from it. Political and professional pressures on the evaluators also influence methods…

The use of instructional media is an essential component of teaching-learning process which contributes to the efficiency as well as effectiveness of the teaching-learning process. Computer-supported instruction has a very important role to play as an advanced technological instruction as it employs different instructional techniques like…

The problem investigated in this research study relates to the referral rate for special education evaluations between students of teachers who were exposed to the professional development and resources associated with the federally funded Reading First program and students of teachers who were not exposed to the program. The purpose of this study…

Evaluative statements from alumni have legitimacy with both internal and external stakeholders. Thus, alumni studies can provide valuable evidence of institutional effectiveness and lend themselves to both locally designed and commercial survey instruments for data collection. Under ideal conditions, the results of alumni studies equip faculty and…

"JEAB"'s first decade featured control of individual behavior by operant contingencies, where the experimenter could interact with a subject in real time and obtain fairly immediate evidence of control, with the possibility of direct extension to applied settings. In subsequent decades, emphasis shifted toward long-term parametric studies with…

The development and evaluation of effective strategies for transporting evidence-based practices to community-based clinicians has become a research and policy priority. Using multisystemic therapy programs as a platform, an experimental design examined the capacity of an Intensive Quality Assurance (IQA) system to promote therapist implementation…

Seeking help with academic tasks has been regarded as an important strategy to enhance student learning (Newman, 1994; Ryan, Gheen, & Midgley, 1998; Zimmerman & Martinez-Pons, 1986). Seeking help is conceptualized as student-initiated efforts to secure task information or solicit advice when a deficiency in their understanding of the content…

Plagiarism may result from faulty cognitive processing and thereby be unintentional (Marsh, Landau, & Hicks, 1997). The current study tested the effectiveness of paraphrasing training designed to prevent unintentional plagiarism. Thirty-six students enrolled in research methods participated, one group received paraphrasing training; a control…

This research investigated the value added to middle school public education by pedagogically trained college students. An experimental design was employed in which 680 middle school pupils were randomly assigned to instructional groups. University arts and sciences students were put into two groups on the basis of those with formal teacher…

This article reports on the experiences and perceptions of K-12 teachers as they engaged in a participatory action research (PAR) project, "Science Across the Curriculum." Although the experiences and professional learning of two of the project participants are highlighted, the challenges that all participants experienced as they conceptualized…