4535680
Descrição
FlashCards por Fernando Coronad, atualizado more than 1 year ago
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Criado por Fernando Coronad
quase 9 anos atrás
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| Questão | Responda |
| construct validity | are we measuring what we think we are measuring? does the operational definition reflect the conceptual definition |
| external validity questions | is a sample representative of the population of interest? will the results be generalizable? |
| definition of external validity | external validity mean that you can generalize the results of your research to other people places and times |
| types of external validity | population validity -do I resolve generalized to other people ecological validity -to our results generalize to other places and times |
| internal validity | has there been adequate control over any extraneous variables? can causality be asserted in drawing conclusions? |
| how do you improve external validity | 1 identifying your population of interest 2 use random sampling 3 study enough participants |
| internal validity definition | deals with cause and effect relationships takes out compounds X causes change in Y |
| temporal precedence | X (cause) precedes Y (effect) |
| covariation | changes in X are related to changes in Y |
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