Mary Jackson Pitts, Ph.D.
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Research ethics
Dr.
Mary Pitts
Ethicsn Collection of datau The measurement tool« Post hoc Research Questionsn Training data collectorsn Drawing the samplen Inputting datan Disclosing purpose. Full exposure not always wise. Can bias resultsInputting datan Cleaning up datau Possible values assigned to responsesAnalyzing datan Setting level of significance at p< .05u p.=.055• Is it significant?Treating respondents correctlyn Purpose of IRBn Debriefing of respondentsInformed consentu Must have title of projectu Benefits to Participantsu Description of risku Statement of Confidentialityu Participation is voluntaryu Contact informationRecognizing errorn LimitationsMeasurement errorn Instrumentationn Applicationn Sampling errorn Random sources of errorReliabilityn Internal consistency reliabilityn Alternative forms reliabilityn Split half reliabilityu First half last half splitu Odd even reliabilityn Balanced halves and random halves.n Test retestValidityn Internal Validityn External ValidityInternal validityu Instrument measures what it is suppose to measure.u Internal validity questions conclusionsExternal Validityn External validity is concerned with generalizing to other things.u Replicationu RandomizationInternal validity sourcesn Historyn Maturationn Testingn Instrumentationn Statistical regressionn Subject selectionn Mortalityn Selection maturation interactionThree types of validityn Content validityn Criterion or predictive validityn Construct validityu Known group validityExternal validity sourcesn Reactive effects of testingn Selection X experimental variable interactionn Reactive effects of experimental arrangementsn Multiple treatment interference |