دلالات صدق وثبات قائمة مواءمة معايير الدراسة الدولية للعلوم والرياضيات مع منهاج كامبريدج للصف الرابع من وجهة نظر معلمي ومشرفي الرياضيات في سلطنة عمان: Indications of Validity and Reliability of TIMSS Standards List with the Fourth Grade Cambridge Mathematics Curriculum from Mathematics Teachers and Supervisors Point of View in the Sultanate of Oman

Abstract: The study aimed to provide a reliable list with high reliability and validity indications to match the
TIMSS International Study Standards for Science and Mathematics with the fourth-grade Cambridge mathematics’
curriculum in the Sultanate of Oman. The list consisted of 39 standards distributed over five domains (whole
numbers, algebraic expressions, measurement, fractions, and geometry). A total of 616 (584 teachers, 32
supervisors) were given the list. The criteria were shown to be effective in measuring the list's domains and many
indicators of validity, including face validity and construct validity. It also reached appropriate and high indications
for the reliability of the list. The study recommended using the list to review the fourth-grade Cambridge
mathematics curriculum in the Sultanate of Oman to judge its compatibility with TIMSS standards.
Keywords: TIMSS, Mathematics Curriculum Cambridge, Fourth grade, Sultanate of Oman.