Friday, February 25, 2011

De Vaus: Chapter 3: Formulating and Clarifying Research Questions


 

Types of Research Questions


-          Variables

o   Dependent

o   Independent

o   Intervening

§  Education à job à income


-          Descriptive research


o   Five questions

§  Time frame

§  Geographical location

§  Broad description / comparing & specifying patterns for subgroups

§  Aspect of topic

§  How abstract is our interest


o   Explanation: searching for causes or consequences


§  Why à what caused increased divorce rate?

§  Consequences

§  Literature search

§  Explanation – exploring a simple idea

·         Has x led to increased divorce rate

§  Explanation – exploring more complex ideas

·         Why should religious decline lead to divorce?

§  Specify links

 

Using Internet to Review Existing Information and Research

 

Scope of the Research


-          Particular but exhaustive / general but partial

-          Idiographic à case study

-          Nomothetic à survey

-          Units of analysis

 

Research Design


-          Frame of reference

-          Descriptive research

o   Context – is 9% inflation high or low?

o   Compare

§  Other groups

§  Over time

-          Explanatory research

o   Causal processes

o   Structure of the data

o   Central point of good research design is that it provides a context in which relatively unambiguous statements can be drawn.

o   Classic experimental design

§  Experimental group / control group

§  Random assignment

o   Panel design

§  Looks at same group of subjects over period of time

o   Quasi panel design

§  Similar to panel design

§  Except different groups studied at two points in time

o   Retrospective panel design

§  Obtain information at one point in time

§  Ask about two / more time points

o   Retrospective experimental design

§   

 

 

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