PSY100Y5 Chapter Notes - Chapter 2: Handia (Drink), Descriptive Statistics, Confounding
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PSY100Y5 Full Course Notes
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Document Summary
Goals: measurement and description, understanding and prediction, application and control. Steps in an investigation: formulate a testable hypothesis, select method and design the study, collect the data, analyze data and draw conclusions, report findings. Advantages: clarity and precision yield better communication. Research approaches: quantitative methods, qualitative methods. Confounding of variables occurs when two variables are linked together in a way that makes it difficult to sort out their specific effects. Random assignment when all subjects have an equal chance of being assigned to any group or condition in the study. Variations: can have one group of subjects serve as their own control group, can manipulate more than one independent variable in a study. Hadia saeed: can use multiple dependant variables in a study. + permits conclusions about cause and effect relationships. Manipulations and control often make experiments artificial. Practical realities and ethical concerns make it impossible to conduct experiments on many issues.
