week 2 part1

week 2 part1 - 3/26/11 The most exciting phrase to hear in...

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3/26/11 1 “The most exciting phrase to hear in science, the one that heralds new discoveries, is not ‘Eureka’ but ‘that’s funny…’ – Isaac Asimov Research Process _______ & Prior Research Research Question Hypotheses Methods of ___________ Research Design Inferences/ Interpretation Data Collection/ Findings _________ Considerations Theory - integrated set of propositions to explain phenomena Hypotheses – tentative ___________ derived from theories
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3/26/11 2 Good studies use valid and reliable measures Validity – Measures what it’s supposed to measure __________ definitions – what will be measured in an experiment to test a construct TQ: How would you operationalize depression? Internal Validity – ruling out other explanations/control ________ Validity – how much can you generalize this result to other subjects, situations, and populations? Increasing internal validity may decrease external validity Reliability - repeatability/consistency of measures Replication – when a study is ________(often by new researchers) using new subjects and the same results are found Non-replications ________ samples - initially the groups don’t differ systematically Milk and weight Don’t let people choose their own treatment Representative samples - does your sample reflect the _________? TQ: Is a clinic sample representative? Why or why not? Random samples maintain _______ and help us develop appropriate diagnostics and treatments. Advantages: Illustrate Nature Course Outcomes Study ____ conditions Disadvantages: ______ Reliability Validity
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3/26/11 3 Max was a 7 year old boy when he was first referred for psychiatric evaluation by his
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This note was uploaded on 04/19/2011 for the course PSCY 168 taught by Professor Rachellapidis during the Spring '11 term at UCSD.

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week 2 part1 - 3/26/11 The most exciting phrase to hear in...

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