The purpose of this systematic literature review was to summarize outcomes of the Check-in Check-out (CICO) intervention across elementary and secondary settings. Twenty-eight studies utilizing both single subject and group (experimental and quasi-experimental) designs were included in this review. Median effect sizes across the eight group studies were small (median d = .37; range, -.15 to .60) for studies reporting Cohen’s d or similar effect sizes and large (.23; range, .13 to .32) for studies reporting R2 type effect sizes favoring the implementation of CICO. For single subject design studies, the overall median PND across 20 studies was 68% (range, 0 to 100%), indicating CICO is questionably effective but approaching the effectiveness criterion ( ≥ 70% PND) suggested by Scruggs and Mastropieri (1998). Implications for practice are discussed along with suggestions for future research.


Additional Information

Print ISSN
pp. 635-658
Launched on MUSE
Open Access
Archive Status
Archived 2020
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