Lecture 3 Research Methods Measurement in psychology Can you measure concepts constructs in psychology o YES but it may not be observable o Constructs are something that are there that exists but you cannot see it o Operationalization o EX If you wanted to measure happiness you can measure serotonin levels smiles a lot of different ways Ways to measure concepts o Observation of behavior Naturalistic environment ex In a restaurant Structured environment ex Sleep lab need more controlled way to watch o Self report What can self report tell us that observation cant Degree of feeling Less honesty social desirability maybe a bad indicator on how truth Easier to grade think about the clicker question that was a self report Less more biased Reactance when chemists feel that there control is being taken away they react in a different way Ex Ia going to go to work don t climb on the table instead he climbs on the table he feels that his control is being taken away o Other Pyschophysiological element sometimes your body effects your psychology serotonin levels Ex increased hormones increase heart rate Non reactive measures measures that are intended to be free of reactions IAT Based on reaction time Not self report because youre answering in an indirect way different measures are based on its validity is the operationalization getting at the construct that its intended to ex does the measure measure what it claims to measure Timelines of Studies Longitudinal use the same person over time Cross sectional bring in 20 fresh 20 sophmores all in the Case study you are looking at one or a few people specific Archival someone did the measurement in the past and take same day case the measurement
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