PS287 Lecture Notes - Lecture 2: Internal Validity, Discrepancy Theory, Psych
Document Summary
Value of a correlation ranges from -1 to +1. Positive correlation: levels of both variables increase or decrease at the same time. Differences (strengths/weaknesses) b/w correlation and experimental study. Historical progression from m/f as bipolar opposites -> separate dimensions. Uses empiricism: information is collected via one of our four major senses, A theory or abstract generalization can be generated to provide a. Theories can be used to generate hypotheses (predictions of certain outcomes under specific sets of conditions) usually sight. This information can be touched, felt or heard or seen. The information collected is referred to as data and it usually takes the form of thoughts, feelings or behaviours. Statements about this data are called facts explanation for the set of facts. For a theory to be scientific it must be falsifiable, there must be the possibility it can be disproved.
