Verstehen is defined by the text as: select one: a. to maintain a moral conscience. b. to compare and contrast social facts. c. to understand in a deep way. d. to require proof of interpretation.

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