Theoretical and practical issues that must be considered in the design, use, and interpretation of large-scale assessments that use collaborative small-group work are explored. It is necessary to ensure that collaboration works toward, rather than against, the purposes of the assessment. (SLD)

Inferences that might be made from international educational assessments are discussed, considering issues of popular definition and sampling, assessment exercises, background variables, and statistical analyses. International assessments do tell something about academic achievement, but other approaches may provide more cost-effective information…