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Replication studies in education are relatively rare. Of the few which are conducted, many are conceptual rather than direct replications. With so few replication studies, and many of those that are attempted producing null results, the scientific status of the evidence base for educational policy and practice is in question. Replicating Makel and Plucker's review of the education replication literature, conducted in 2014, this paper presents a mapping review looking at rates of replication in education research from 2011 to 2020. We provide an overview of the number of replication studies by replication type, year, outcome, authorship, and journal. Our results are consistent with those of Makel and Plucker, revealing very low but gradually increasing rates of replication study in education. We discuss the role of replication in producing a robust and trustworthy evidence base for policy and practice, and some of the challenges in operationalising definitions of replication we encountered. [ABSTRACT FROM AUTHOR]

This paper describes an independently evaluated randomised controlled trial of a self-affirmation intervention, replicating earlier studies, mostly conducted in the US with ethnic minority students. Self-affirmation theory suggests that some stigmatised groups, such as those from ethnic minority or poor families, face stereotype threats which undermine their academic performance. Engaging in value affirmation writing activities when such threats are most salient can give individuals a positive sense of value, negating harmful feelings, and fostering academic learning. The present study, involving 10,807 pupils aged 14 to 16 in England showed that the intervention can be successfully replicated with children from low socioeconomic backgrounds in England. The analysis showed positive effects for the intervention group. Pupils who completed more exercises also performed better. The findings are worth consideration given that it costs virtually nothing and does no harm. [ABSTRACT FROM AUTHOR]

This paper presents the findings of a 1-year efficacy trial of Maths Counts (MC), an intensive, individualised programme delivered by trained teaching assistants. The programme was delivered 3 times a week over 10 weeks. The sample included 291 Year 3 to Year 6 pupils (age 7 to 11) from 35 primary schools in England. Pupils were individually randomised within school to receive MC or business as usual. The results suggest that MC is effective for children struggling with basic maths skills (ES = +0.12 for general maths skills and +0.18 for maths attitude), but there is no evidence that it is particularly effective for children eligible for free school meals. Staff and pupil absences, and other social-emotional and behavioural difficulties may have prevented some pupils from getting the most from the programme. In general, the trial shows that trained teaching assistants can be effectively deployed to support children's maths learning. [ABSTRACT FROM AUTHOR]