Y Yaz New member May 6, 2010 #1 im doing an assignment on "do reflexes deteriorate with age". for this assignment i had to use the ruler drop test on 20 people in my age group, and 20 people in my parents age group. what type of sampling method is this?
im doing an assignment on "do reflexes deteriorate with age". for this assignment i had to use the ruler drop test on 20 people in my age group, and 20 people in my parents age group. what type of sampling method is this?
