PSYC 1010 Chapter Notes - Chapter 2: Central Tendency, Brenda Milner, Psycinfo

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Myriam Mongrain

Document Summary

Steps in scientific investigation scientific investigation is systematic. Step 1: formulate a testable hypothesis translate a theory or intuitive idea into hypothesis (normally a prediction) Variables must be carefully defined using an operational definition: describes the actions or operations that will be used to measure or control a variable. Step 2: select the research method and design the study. Plan empirical testing method (ex. experiments, case studies, surveys, naturalistic observation, etc. : balance pros and cons of each and select the most appropriate method. Decide on participants or subjects: persons or animals whose behaviour is systematically observed in a study. Step 3: collect the data researchers use a variety of data collection techniques: procedures for making empirical observations and measurements. Examples of techniques: direct observation, questionnaire, interview, psychological test, physiological recording, examination of archival records. Observations converted to numbers (raw data) statistics used to analyze data. Research methods: various approaches to observation, measurement, manipulation and control of variables in empirical studies.