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goals of psychological research

III. The four goals of psychological research are to describe, explain, predict, and control the issue. Thefirst goal of psychological research is the method to describe each behavior and the circumstances it brings about. The goal following describe is the goal to explain. The need to know why the behavior occurs is essential. Another psychological research is to predict. Comprehending a behavior is to know when it will happen or what are the results. The final goal of psychological research is the goal to control behavior (Heiman, 1999).
IIIB.Heiman (1999) discussed that scientific evidence is obtained through empirical, objective, systematic, and control research. Empirical is types of evidence that can be obtained by observation. Observing of events will bring upon knowledge of this evidence. Everyone will partake is having the same beliefs regarding these observations. Objectivity is type of scientific evidence is obtained through the observation of the same event but still have different impression. Observations must be free from bias. Systematic is the ideas that research observation are obtained in a methodical, step-by-step fashion. The use of systematic determines the role of each factor and combination of factors as they apply to a behavior. Controlled research is another way to simplify the situation by eliminating any extraneous factors that might influence the observed behaviors, which in turn, creates confusion. Create a clearly defined situation in which to observe only the specific behavior and the relevant factors that interest them are the main importance (Heiman. 1999).
VI. Scientific hypothesis must be testable, falsifiable, precise, rational, and parsimonious.
Testable, which means that the test can show that the hypothesis is false. Precise is the requirements that a scientific hypothesis should hold terms that are distinctly defined. Rational is the necessity that a scientific hypothesis should rea

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