PSY 250 Lecture Notes - Lecture 2: Operational Definition, Wheaties, Psy
Document Summary
Theory well-established principle developed to explain an aspect of the natural world. Extensively tested, generally accepted as far as currently abilities. Hypothesis specific, testable prediction about what is expected to happen in a study. Intuition-relying on common sense as a means of knowing about the world. Relying on gut feeling : true because it feels right ". September days tend to be warm but get cooler at night. If premise statements are true and the logic is sound, then the conclusion is guaranteed to be correct. All 3 year old children are afraid of the dark. Relies on info r answers from expert in area. Wheaties athletes are not nutrition experts. Information accepted because it has always been believed (superstition) Difficult to correct in the face of evidence. Observation or direct experience to obtain knowledge. Perceptions can be altered by prior knowledge, expectations, feelings and beliefs. Acquiring knowledge that contains elements of the other methods.
