Alyssa is a team leader of the student ambassadors who give campus tours. Alyssa is a very busy college senior and does not communicate much with the ambassadors. When she does, her communication is typically to tell the ambassadors what they have done wrong on the tours. Alyssa is exhibiting .
a. intellectual stimulation.
b. management by exception.
c. contingent reward.
d. laissez faire leadership.

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