PSYC 2001 Lecture Notes - Lecture 4: Psychological Stress, Design Of Experiments, Quasi-Contract

• School: Carleton University
• Department: Psychology
• Course: PSYC 2001
• Professor: Deanna Whelman

Document Summary

Psychology as a way of thinking (ch 2. Common pitfalls of intuition - thinking the easy way, thinking what we want. Comparison group, control for confounds, evaluate without bias. Descriptive statistics - statistical tool used for organizing and summarizing the properties of a set of data. Data matrix - a grid presenting collected data, usually computerized. Frequency distribution - a table that gives a visual picture of the observations on a particular variable. Frequency histogram - graph based on frequency distribution. Stemplot - a graphical representation of the values. Central tendency - a measure of what value the individual scores tend to center on. Value of the most common score - the score that was received by more members of the group than any other. Multimodal - more than two modes or scores. The value of the middlemost score - the value that divides a frequency distribution into halves.