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Unformatted text preview: 1. Random assignment D. Extraneous variables E. Problems (Biases) 1. Researcher a. Experimenter Bias b. Ethnocentrism 2. Participant Bias a. Sample bias b. Social desirability c. Placebo effect V. Statistical Reasoning A. Describing Data B. Measures of Central Tendency 1. Mode 2. Mean 3. Median C. Measures of Variation i. Range ii. Standard deviation D. Making Inferences i. When is an observed difference reliable ? 1. Representative samples are better than biased samples 2. Less variable observations are more reliable than those that are more variable 3. More cases are better than fewer VI. Ethical Considerations A. Informed Consent B. Protect from harm & discomfort C. Confidentiality D. Use of deception...
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This note was uploaded on 12/12/2011 for the course PSYCH 1 taught by Professor Staffm during the Fall '09 term at DeAnza College.
- Fall '09