Ethnocentrism refers to:
the need to focus on another society’s problems.
the judging of another culture in terms of your own.
the view that your own society is inferior to others.
the view that people’s ideal behavior is better than their real behavior.

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