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Estimating reliability coefficients with heterogeneous item weightings using Stata: A factor based approach

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Estimating reliability coefficients with heterogeneous item weightings using Stata: A factor based approach

Rechten: Alle rechten voorbehouden

Samenvatting

We show how to estimate a Cronbach's alpha reliability coefficient
in Stata after running a principal component or factor analysis. Alpha evaluates
to what extent items measure the same underlying content when the items are
combined into a scale or used for latent variable. Stata allows for testing the
reliability coefficient (alpha) of a scale only when all items receive homogenous
weights. We present a user-written program that computes reliability coefficients
when implementation of principal component or factor analysis shows heterogeneous
item loadings. We use data on management practices from Bloom and Van
Reenen (2010) to explain how to implement and interpret the adjusted internal
consistency measure using afa.

OrganisatieHogeschool Utrecht
AfdelingKenniscentrum Innovatie van Zorgverlening
LectoraatLeerproblemen
Jaar2011
TypeRapport
TaalEngels

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