The following are the delimitations noted in the study. 1  The Fitnessgram results for the students are assessable and all identifying markers can be removed. 2  The Fitnessgram results are from the 2007-08, 2008-09, and 2009-10 school years. 3  The Fitnessgram was administered by the same teachers.
Methodology is the systematic, theoretical analysis of the methods applied to a field of study. It comprises the theoretical analysis of the body of methods and principles associated with a branch of knowledge.
Spiral approach. The spiral approach is a technique often used in teaching or textbooks where first the basic facts of a subject are learned, without worrying about details. Then as learning progresses, more and more details are introduced, while at the same time they are related to the basics which are reemphasized many times to help enter them into long-term memory.