4. To avoid gender bias in his fourth-grade classroom, Mr. Bonner used gender-free language, provided positive role models, and ensured that all students had opportunities to engage in various activities by rotating classroom jobs and activities. His school was also experimenting with single-sex classrooms. Next year, Mr.

Bonner thought he might opt to teach in one of those classrooms.

Which of the following statements concerning single-sex classrooms is not true?

A. Single-sex classrooms have positive effects on learning, motivation, and engagement if certain conditions are met.

B. Teaching is not easier in a single-sex classroom than it is in a mixed-sex classroom.

C. Teachers must use teaching strategies that are geared specifically for students of a particular sex.

D. Students in single-sex classrooms are often less concerned about making impressions on peers.