Is Educational Intervention Research on the Decline?

Abstract

The authors examined intervention studies that appeared in 4 educational psychology journals (Cognition & Instruction, Contemporary Educational Psychology, Journal of Educational Psychology, Journal of Experimental Education) and the American Educational Research Journal (AERJ) in 1983 and from 1995 to 2004. The majority of studies included adults (age 18 and older) as participants, administered brief (less than 1 day) interventions, assessed intervention effects immediately following the intervention, and did not report treatment integrity. Most studies included multiple outcome measures and exhibited an increase in effect-size reporting from 4% in 1995 to 61% in 2004. The percentage of total articles based on randomized experiments decreased over the 21-year period in both the educational psychology journals (from 40% in 1983 to 34% in 1995 to 26% in 2004) and AERJ (from 33% to 17% to 4%). Limitations of the study and future research issues are discussed.

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