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Unformatted text preview: between two things Positive Correlation-as one variable increases, another variable increases with it (people are taller they wear bigger shoes). Negative Correlation-as one variable increases, another variable decreases Case Study- Doesn’t give great detail Naturalistic Observation- sit, watch, and record information Survey- Random Sampling- everyone in the population has an equal chance of being selected, so bias is minimized Causation-When we do correlational studies, we only check if there is a relationship between variables. CORRELATION DOES NOT CAUSE CAUSATION (Homework 1) o Experimentation- Psychologists use experiments to isolate cause and effect. Only variables of interest are manipulated. All other possible explanations are controlled. MAKE PREDICTIONS. Independent variable- the variable you change Dependent variable-outcome measure Random Assignment-...
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- Spring '08