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Published bySamantha Taylor Modified over 9 years ago
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Scientific Method
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Bell ringer Write what you know about the scientific method. How do you think it relates to psychology?
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Take out a scratch piece of paper Write a question you have about human behavior (one on each half) EX: why did I/he/she. They do that? Think that? Live that way? Fold your paper
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Trade with up to five people without looking at the questions Open your questions and read share them with the people around you Discuss the questions/answers Pick the question your group finds most interesting or intriguing
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Read question out loud Discuss how different psychologists would analyze
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Scientific Method: Step 1 Select a topic
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Step 2: Develop a theory and Hypothesis
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Theory: An organized system of ideas that seeks to explain why two or more events are related EX: low self-esteem feeds depression
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Hypothesis: An educated prediction about the nature of things based on a theory Testable, makes a prediction, variables are specific EX: People with low self-esteem score higher on a depression scale
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Try it out! Write a hypothesis for the question you wrote
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Write a hypothesis for one of the scientific questions Does the size of a classroom affect learning? Does age affect fundraising? Create one in your group (topic, theory, hypothesis,)
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Step 3 Select a scientific method and consider ethical issues Method: Laboratory or natural setting
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Sample: The group of subjects who are selected to participate Random selection/sample: sample that fairly represents a population because all people have an equal chance of being chosen Variables: Factors in study that can be measured and are capable of changing
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How do we know our biases aren’t affecting the outcome?? Operational Definition: A very clear description of how a variable is measured EX: How is aggression measured in a study on TV’s influence on violence Replication: operational definition allows another researcher to repeat the study and test the findings
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Is the Experiment ethical Studies evaluated by a panel of scientists and non scientists Priority always given to welfare of participants ****Handouts on human and animal guidelines (Is your experiment ethical?) ****Analyze Zimbardo Experiment
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Step 4 Collect and Analyze data Report results
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