TAMU PSYC 307 - Psychology Research Methods (4 pages)

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Psychology Research Methods

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Psychology Research Methods


This lecture covers the research methods used in Psychology and how child development is studied

Lecture number:
Lecture Note
Texas A&M University
Psyc 307 - Developmntl Psychology
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PSYC 307 Lecture 2 How we study child development I Scientific Method a Choose a question b Formulate hypothesis c Test hypothesis d Draw conclusion e Hypotheses theories can never be proven only disproven i To prove a theory you would need to test ALL situations across all cultures infinite II Reliability a Degree to which independent measures of behavior are consistent i Interrater reliability you will get the same results regardless of who observes behavior ii Test retest reliability get the same measures if you run the experiment again and again 1 Standardized tests across individuals III Validity a Degree to which a test experiment measures what it is intended to i Internal ability to be comfortable that measures are measuring what you say they should be ii External can you generalize your results to other populations IV Contexts for gathering data about children a Interviews i Structured Interview all participants get the same questions 1 Pro responses are easy to code and interpret ii Clinical Interview unstructured questions adjusted in accordance with answers interviewee gives harder to interpret results iii Case studies individuals 1 Generalizing data studies only one person 2 HM Canada temporal lobe damage epilepsy a Effects of brain damage on memory b Case studies can help evolve generate research b Naturalistic Observation i Observe children in everyday situations ie age related differences and interaction with parents 1 Advantage more likely to get genuine observation 2 Limitation do not have control over any aspect limited in the conclusions that you can draw c Structured Observation i Can get information and control the experience 1 Advantage can control factors 2 Limitation not as natural V Ethnography a Descriptive qualitative technique b Goal understand group culture i Participant observation ii Researcher lives in community usually one that is developing or isolated for months or years iii Works to capture unique values social processes 1 Observe

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