The use of politically correct language is unanimously accepted in the discipline of communication as a positive thing because it removes bias from language and people communicate more clearly. true or false?

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