Jerry’s family admitted him in a hospital for psychiatric treatment three months ago. The doctor has been keeping track of Jerry’s improvement. He plans to use a different method to treat Jerry if the actual result does not match the expected result. Which management function is the doctor performing in this situation?
A.
organizing
B.
production planning
C.
staffing
D.
controlling

Throughout united states history, new groups of people have been given voting rights. this usually occurs through

Compared with the executive and legislative branches

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