What are the ethical considerations when manipulating Cronbach's alpha? Is Cronbach's alpha sensitive to the sample size?

Cronbach's alpha (Cronbach, 1951), also known as coefficient alpha, is a measure of reliability, specifically internal consistency reliability or item ... Feb 3, 2023 ... We examined whether α values reported in the psychology literature are inflated at the rule-of-thumb thresholds (α = .70, .80, .90) due to, for example, ... Jun 18, 2020 ... Researchers typically use Cronbach's Alpha when they want to know how much variance is item-specific and not shared by other items in the set. Oct 26, 2021 ... Comments131 · Standard deviation (simply explained) · Cronbach's Alpha - Excel · Exploratory Factor Analysis · Reliability Analysis, Cronbach ... Jun 17, 2016 ... Comments Section ... The Cronbach Alpha is an indicator of "correlation" between your questions/items. To phrase it otherwise : if Question #1 & ... Apr 21, 2015 ... Item Analysis tells you how well a set of questions (or items) measures one characteristic (or construct) and helps to identify questions that are problematic. A website allowing to conduct statistical comparisons between Cronbach alpha coefficients. Click "Start analysis" to begin! a reliability coefficient and a measure of the internal consistency of tests and measures. [1] [2] [3] It was named after the American psychologist Lee ... In these results, the overall Cronbach's alpha is 0.9550. The value is greater than the common benchmark of 0.7 and suggests that the items are measuring the ... This study has been undertaken with an objective of calculating and interpreting cronbach's alpha for evaluation of the internal consistency of items by using ...