When we introduced the Pearson correlation coefficient, r, in the beginning of this chapter, we pointed out that we were doing this in order to show its relations to some of the elements of the regression model. In the course of the presentation, we discussed r in connection with standardized and u ...
Construct, which are synonymous with concepts, are theoretical constructions, abstractions, aimed at organizing and making sense of our environment. In other words, construct is not a visual image, nor is it external to the mind; it is analogous to a piece in a game which thought plays( Caws, ...
One of the reasons why I love aholiday is that I can read good books during it.Many great works are read in my winter orsummer holidays. It is really nice to work in a university and to possess two holidays for nearly 3 months. Today I am happy to find that I havere-find an ...
1. Theory is an invention aimed at organizing and explaining specific aspects of the environment. A major characteristic of a scientific theory----one that distinguishes it from other forms of explanantions---is that testable hypotheses may be derived from it. 2. Popper argued persuas ...