PSYC 1010 Lecture Notes - Lecture 2: Wilhelm Wundt, Confounding, Ion

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Gerald Goldberg, Miranda Di Lorenzo, Nikoo Norouzian, JongJin Kim, Eden Champagne

Document Summary

Theory - a scientific theory must be testable. Expert"s" are those who know the limits of truth statements . E. g increasing salary will motivate people to work more hours. E. g impact of specific goals depends on culture. If expect to participate in goal setting, need mutually agreed goals. Using participants as own control, e. g before and after studies. Main advantage: permits conclusions about cause and effect and extraneous variables. Main advantage: provides ways to explore questions that can"t study with experiments. Main disadvantage: does not permit conclusions about cause and effect. The use of mathematics to organize, summarize, and interpret numerical data. Descriptive statistics: are used to organize and summarize data. Variability: how much the scores in a data set vary from each other and from the mean. An index of the amount of variability in a set data. Used to interpret data and draw conclusions.