Individuals' own sense of themselves based on such features of culturally informed notions of "masculinity" and "femininity" is shaped by the historical, economic, political, and sociocultural settings in which they live their lives.

A. Gender identity
B. Gender bias
C. Sexual orientation
D. Sexual attitudes

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling