Cluster randomised trial data.


A cluster randomised trial data containing 22 schools.


A data frame with 265 rows and 5 variables


  • Posttest. posttest scores

  • Prettest. prettests scores

  • Intervention. indicator for intervention groups coded as 1 for the intervention group and 0 for the control group.

  • Compliance. percentage of sessions attended by pupils

  • School. numeric school identifier

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