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Constructs (characterized as (ambiguous, abstract, vague, imprecise), can…
Constructs
characterized as
ambiguous
abstract
vague
imprecise
can be
unidimensional
multidimensional
Conceptualization
mental process defining concrete and precise terms
can be
intersubjective
reification
process of making thre constructs real
items used for measuring
indicators
OPERATIONALIZATION
first decision on
Levels of measurement (rating scales)
Statistical properties
Ordinal
Nominal
Interval
Ration
Likert
Binary
Semantic Diffrential
Guttman
combination of variables at empirical level
Variable
Value
Attributes
Quantitative
Qualitative
can be
reflective
formative
Unobservable constructs
Constructing measures using qualitative and quantitative judgements
Scaling
outputs
Scale
can be
unidimensional
Scaling methods
Likert's summative scaling method
Thurstone's equal appearing scaling method
Guttman's cumulative scaling method
dimensional
Multiple constructs
composite score derived from aggregation
INDEX
Summarize two or more constructs to create categories or types
TYPOLOGY