This paper is meant to highlight the occurrence of Simpson's Paradox when using aggregated data obtained from two IEA studies in Israel, while ignoring the effect of a powerful intervening variable in the local context--the ethnicity factor. It will demonstrate faulty conclusions regarding either the absence of relationships between a contextual…

A comparative analysis evaluated three studies that dealt with the differences among five-year-olds that should be considered before reading instruction is initiated in kindergarten. The premise of the comparison was that children from different countries (especially Israel, where these studies were conducted), have different abilities, react…