An unbiased estimator of the greatest lower bound

Bendermacher, Nol

doi:10.22237/jmasm/1493598960

Cited by 5 publications

(1 citation statement)

References 4 publications

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“…A limitation of GLB is that it is susceptible to capitalization on chance (Bendermacher, 2017; Pfadt et al , 2022; Shapiro and Berge, 2000). As a result, it tends to overestimate the population value in the presence of samples less than 1,000 and scales with a larger number of items (above 10 items) (Oosterwijk et al , 2016; Shapiro and Berge, 2000; Trizano-Hermosilla and Alvarado, 2016).…”

Section: Literature Reviewmentioning

confidence: 99%

Revisiting internal consistency in hospitality research: toward a more comprehensive assessment of scale quality

Njeri,

Khader,

Ali

et al. 2024

IJCHM

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Purpose The purpose of this study is to revisit the measures of internal consistency for multi-item scales in hospitality research and compare the performance of Cronbach’s α, omega total (ωTotal), omega hierarchical (ωH), Revelle’s omega total (ωRT), Minimum Rank Factor Analysis (GLBfa) and GLB algebraic (GLBa). Design/methodology/approach A Monte Carlo simulation was conducted to compare the performance of the six reliability estimators under different conditions common in hospitality research. Second, this study analyzed a data set to complement the simulation study. Findings Overall, ωTotal was the best-performing estimator across all conditions, whereas ωH performed the poorest. α performed well when factor loadings were high with low variability (high/low) and large sample sizes. Similarly, ωRT, GLBfa and GLBa performed consistently well when loadings were high and less variable as well as the sample size and the number of scale items increased. Of the two GLB estimators, GLBa consistently outperformed GLBfa. Practical implications This study provides hospitality managers with a better understanding of what reliability is and the various reliability estimators. Using reliable instruments ensures that organizations draw accurate conclusions that help them move closer to realizing their visions. Originality/value Though popular in other fields, reliability discussions have not yet received substantial attention in hospitality. This study raises these discussions in the context of hospitality research to promote better practices for assessing the reliability of scales used within the hospitality domain.

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