Textbook Notes (362,932)
Canada (158,106)
Psychology (3,262)
PSYC 2360 (93)
Chapter 7

Chapter 7

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University of Guelph
PSYC 2360
Carol Anne Hendry

Chapter 7 – Selection of Variables, Operational Definitions, and Measurement Issues - An independent variable is the variable in a study we manipulate - A dependent variable is the variable being measured Levels of the independent variable - The number of conditions for a specific independent variable e.g., low birth weight & normal birth weight - 4 different types of dependent variables: 1) Behavioural measure - A measure to investigate a person’s behaviours e.g., how often a student attends a certain class 2) Attitudinal measure - A measure assessing a person’s attitudes on the topic e.g., whether a student has a positive or negative attitude toward a certain class 3) Cognitive measure - A measure of one’s mental ability or knowledge of a topic e.g., how well a student knows about the materials in a certain class 4) Physiological measure - A measure that is biological in nature e.g., heart rate, pulse, blood pressure - 3 most common ways a dependent variable is assessed 1) Perfect correct - Average of correct responses to overall responses represented as a percentage e.g., the percentage of students who are correct in answering a certain question 2) Frequency of responding - A sum of the number of times a person or a group responds to a question e.g., number of participants responded to a comedian by laughing 3) Deg
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