; designed to motivate and assist students to maintain and improve their sexual health, prevent disease and reduce sexual health-related risk behaviors; and enable and empower students to develop and demonstrate age and developmentally appropriate sexuality and sexual health-related knowledge, attitudes, skills, and practices. (6) Consent The term consent means affirmative, conscious, and voluntary agreement to engage in interpersonal, physical, or sexual activity. (7) Culturally appropriate The term culturally appropriate means materials and instruction that respond to culturally diverse individuals, families and communities in an inclusive, respectful and effective manner; including materials and instruction that are inclusive of race, ethnicity, languages, cultural background, religion, sex, gender identity, sexual orientation, and different abilities. (8) Evidence-based The term evidence-based , when used with respect to sex education instruction means a sex education program that has been proven through rigorous evaluation to be effective in changing sexual behavior or incorporates elements of other programs that have been proven to be effective in changing sexual behavior. (9) Gender expression The term gender expression , when used with respect to a sex education program, means the expression of one’s gender, such as through behavior, clothing, haircut, or voice, and which may or may not conform to socially defined behaviors and characteristics typically associated with being either masculine or feminine. (10) Gender identity Except with respect to section 7, the term gender identity , when used with respect to a sex education program, means the gender-related identity, appearance, mannerisms, or other gender-related characteristics of an individual, regardless of the individual’s designated sex at birth including a person’s deeply held sense or knowledge of their own gender