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Chapter 2

PSY100Y5 Chapter Notes - Chapter 2: Naturalistic Observation, Operational Definition, Dependent And Independent Variables

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Dax Urbszat

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Chapter 2 The Research Enterprise
The Science Approach to Behaviour
Goal of the scientific enterprise
1. Measurement and description develop measurements technique that describe
behaviour clearly and precisely
2. Understanding and prediction prediction like hypothesis, tentative statement abt
relationship of two variables; variables- measurements that are controlled or observed
in the experiment
3. Application and control using knowledge of the relationship to conduct as experiment
Steps of scientific investigation
1. Formulate a hypothesis, providing operational definition (describe the action/operations
that will be used to measure or control a variable.
2. Select the research method and design the study, how to put hypothesis to an
experimental test using various method like case studies, experiments, survey,
naturalistic observation
3. Collect data: techniques like direct observation, questionnaire, interview, psychology
test, physiological recording, examination of archival records
4. Analyze data and draw conclusion using statistic
5. Report the findings and put it into a journal, a periodical that publishes technical and
scholarly materials
Looking for causes: experimental research
- Experiment is a research method, finding if two variable effect each other under carefully
controlled conditions
Independent variable and dependent variable
- Independent variable: a condition that affect another condition
- dependent variable: thought to be affected by manipulation of independent variable
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