SOCI 217 Lecture Notes - Lecture 10: Likert Scale, Dependent And Independent Variables
Week 5- indexes and scales
Indexes and scales
• Index
o Composite measure (additions) that summarize and rank orders several
observations
▪ Constructed by accumulating scores assigned to individual attributes
• Scale
o Composite measure composed of several items with a logical or empirical
structure
▪ Constructed by assigning scores to patterns of responses, recognizing
that some items reflect a week degree of the variable while others reflect
a stronger degree
• Index-construction logic
o
• Scale-construction logic
o Getting a score and compare them to others
o Could sa 7 and aove is eellent…
Likert scale
• Respondents specify their level of agreement or disagreement on a symmetric agree-
disagree scale for a series of statements
o Captures intensity of feelings for a given item
Typology
o Used in nominal levels of measurement
• Able to use as a independent variable but not as a dependent variable
• Classification of observations in terms of their attributes on two or more variables or
concepts
• Combining attributes
• Merton’s tpolog
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