There is no way to sommutithan research without direction (Non-directional hypothesis) is a sommutithan that does not determine the direction of the difference, for example, whether or not the 3 direction of relationship: -Students who have different attitudes towards gender, mathematics is different. -The problem is a different gender in academic administration is different. • Executive Director of the agency relationship
การแปล กรุณารอสักครู่..
