PSY 100 Lecture Notes - Lecture 2: Psychometrics
Document Summary
Basic psychology: research done for the sake of curiosity, theory development, or knowledge expansion. Applied research: done to help solve a practical problem. Descriptive studies: describe characteristics of phenomena or populations of interests. Inferential studies: used to predict characteristics of phenomena or populations of interest. Observation: careful and systematic observation and recording of behavior: naturalistic observation: observation of behavior in its natural setting, laboratory observation: observation of behavior in a controlled situation such as a psychology laboratory. Case study: a detailed description of a particular individual being syudied or treated. Correlational study: a descriptive study that looks for a consistent relationship between two phenomena. Correlation coefficient: a measure of the strength of this relationship. Psychological tests: procedures used to measure and evaluate psychological attributes. Psychometrics validity: the ability of a test to measure what it was designed to measure. May be described as a correlation between two tests. Standardization: uniform procedures for giving and scoring a test.
