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…

This paper represents the initial stage of a project established to describe and understand the rationale and processes of certain educational systems in Israel and other countries, and to spread the acquired knowledge as a useful practical contribution. The problem in the study is to understand the conditions prevailing and the methods to be used…

Since the measurement of school achievement involves the administration of achievement tests to various grades on various subjects, both grade level and subject matter contribute to within-school achievement variations. To determine whether achievement test scores vary most among different fields within a grade level, or within fields among…

Although results of both formative and summative evaluation can be used for planning the next generation of a curriculum, a need exists for a third kind of evaluation, namely, Pre-Planning Evaluation (PPE). The purpose of PPE is to provide a database to curriculum development deliberations to assist in decision-making and to guard against neglect…

A language assessment procedure was used with spontaneous spoken and written language samples of 13 orally trained children with hearing loss in integrated classrooms in two Israeli elementary schools. Results revealed significant differences between spoken and written language samples of these children in various correct syntactic structures,…