From wiki again on science: «It (Science) includes the use of careful observation, experiment, measurement, mathematics, and replication — to be considered a science, a body of knowledge must stand up to repeated
testing by independent observers.»
We
tested three models according to the categories of variables: Model 1 included the cognition variables negative interpretations, self - focused attention, and self - evaluation of performance; Model 2 included social competence variables, with
independent observer evaluations of nervousness and social skill and social problems reported
by teachers; Model 3 included the temperament variables of neuroticism, extraversion, and behavioral inhibition reported
by parents and social withdrawal reported
by teachers.