Day: May 15, 2021

Next Steps with Correlations: Scale Development

(Essay found in Nesselroade & Grimm, 2019; pg. 548) A common activity for many academic psychologists is the construction of measuring tools. There are literally hundreds of different psychological traits, tendencies, and abilities that psychologists are interested in measuring; from commonly used concepts like extroversion and neuroticism to less frequently-referenced concepts like humility (e.g., Rowatt et al., 2006) and right-wing authoritarianism (e.g., Mirels & Dean, 2006). The scales used to measure these attributes, however, need to be created. They do not appear out of thin air. Scale development is usually an extensive process.  First, the concept is carefully defined, with

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