Answer:
Hitler felt his country was injusticed about result of worldwar i so he wanted to take revenge from them.
The correct answer is operational definition
Operational Definition is a procedure that assigns a meaning communicable to a concept by specifying how the concept is applied within specific set of circumstances. In another way, an operational definition is an accurate description of what something is and how to obtain a value for this is something we are trying to measure, that is, how to measure it. An operational definition has to be specific, concrete, measurable and useful for the people involved.
Answer:
Within-group factorial design
Explanation:
Within-group factorial design: This is the design in all the participant gets an opportunity to get all the treatment or have to exposed to the condition. The different levels of the independent variables indicated the treatment condition. These variables are manipulated by the experimenter and these variables are treated with a dependent variable that is critical and responsible for the treatment. It is beneficial for two or more groups that are tested under different factors. In this design error variance reduced. In this type of experiment, the individual is assigned for independent variables or treatments.