Book chapters - Identifying variables
10 important questions on Book chapters - Identifying variables
What are measurement scales?
These categorisations could be very subjective or objective depending upon the scale used.
In studies that attempt to investigate a causal relationship or association, which 4 sets of variable may operate? 1
- Variables that are responsible for bringing about change in a phenomenon, situation or circumstance
- outcome variables which are the effects, impacts or consequences of a change variable
- Variables which affect or influence the link between cause-and-effect variables
- connecting or linking variables, which in certain situations are necessary to complete the relationship between cause-and-effect variables
In studies that attempt to investigate a causal relationship or association, which 4 sets of variable may operate? 2
- Independent variables (change)
- Dependent variables (outcome/effect)
- Extraneous variables (the unmeasured variables affecting the cause-and-effect relationship
- Intervening variables (the variables that link a cause-and-effect relationship)
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What is and independent variable?
What is an extraneous variable?
What variables arise from the viewpoint of the study design?
2. Attribute variables
What is an attribute variable?
What are the two ways of catagorising variables, from the viewpoint of the unit of measurement?
- Whetehr the unit of measurement is categorical or continuous
- whether it is qualitative or quantitative
What is a polytomous variable?
What is the ordinal or ranking scale?
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