effectiveness of Smith's strategy in the achievement of fourt-grade female students in Biology and their thinking outside the box

The current research aims to identify the effectiveness of Smith's strategy in thinking outside box fourth-grade female students Biology. sample included two groups, one them is experimental group with (34) and control too. researchers chose Al-Fajr High School for Girls affiliated General Directorate Education Dhi Qar / Qalat Sukkar Department Governorate City intentionally from community. As adopted as a method conduct their research, which includes an independent variable (Smith's strategy) dependent (the box), design variables. Before starting application experiment, parity was conducted between groups obtain accurate results following variables chronological age months, academic achievement fathers, mothers, previous information test, Otis-Lignon intelligence grades first semester Biology).