Observers may be subjective. Persons observed may behave atypically simply because they are being observed. Laws - statement of relationship between two or more events 2. Operational definitions are the definitions by which we operate-how we observe, measure, effect constructs. Aptitude for school is scaled score on individual intelligence test.
Aggression is number of hits per hour.
I want to research school performance and behavior problems. Scientific Method in Education A. Selection and definition of a problem 1. Hypothesis or question of interest to education which can be tested or answered through the collection an analysis of data. B. Execution of research procedures 1. Procedures typically include selection of subjects and selection of measuring instruments.