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Research Methods #4

QuestionAnswer
What does pre-codes and post-coded categories mean Pre-Coded = response option/categories are often defined before data collection QUANTA Post-Coded = Categories/Themes may be developed after data collection
What is Theory an explanation for why variables or phenomena should be related
What is Framing the perspective through which a scientist look at the research problem
What does the Theoretical framework contains (2) 1, view of how variables/concepts are related 2,theoretical explanation why those relationships should exist
What conceptual model visual diagram showing those theorized relationships
What is moderator variable influencing the effect of independent variable on dependend variable
What is mediator through what mechanism does X affect Y
What is direct and indirect effect of mediator Direct Effect = effect affects dependent variable directly Indirect effect = effect affects dependent variable through influence of anothor variable
What is total effect of a mediator Total effect = Direct effect + Indirect effect
What is full and partial mediation Full mediation = IV affects DV only through the mediator Partial mediation = IV affects DV through the mediator but also through direct effect
What are 6 major moderation problems 1, misreading the interaction 2,turning continous moderators into categorial variable 3,assuming only linear modertation 4,unequal group sizes 5,multicollinearity 6,weak theory
What are 4 major mediation problems 1, temporal order 2, multilevel structures 3, ommited variables 4, inconsistent mediation
What is 1, temporal order 2, multilevel structures 1, temporal order = many studies are cross-sectional and therefore it is diffecult to prove prove the influnce order 2, multilevel structures = data are often nested and therefore not completely independent
What is inconsistent mediation mediation can have direct and indirect effect in opposite directions
What is cross-sectional and longitudinal survey cross-sectional survey = during one point in time longitudinal survey = repeated observations over time
To which research can survey be used (2) 1, descriptive research 2,correlational research
What is recommended lenght for following survey & response rate 1, Personal 2,Telephone 3,Self-administered 4, Online 1, Personal ... under 45min & 60% RR 2,Telephone ... under 20min & 45% RR 3,Self-administered .. under 4 slides & 30% RR 4, Online .. under 30 question & 10%
What are 5 questionnaire components 1, identification data 2,request for cooperation 3,instruction 4,information sought 5,classification data
What are 8 steps for developing a successful questionnaire 1, Review premilinary considerations 2,decide question content 3,determine response format 4,decide question wording 5,decide question sequence 6,decide physical characteristics 7,pre-test 8,final draft
Created by: semester1.IBWL
 

 



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