bg statistical package for social sciences spss 6 202

CRONBACH'S ALPHA TEST  CRONBACH'S ALPHA TEST • Cronbach's alpha coefficient is a statistical test method used to closely test and test the correlation between the observed variables • Two aspects related to the correlation between the variables themselves and the correlation of the scores of each variable with all the variables scores of each respondent  CRONBACH'S ALPHA TEST • This method allows eliminating the mismatch observed variables and constraints of garbage, error variables in the study model because otherwise we can not know exactly variability as well as the errors of the variables  CRONBACH'S ALPHA TEST • Free from random error • Degree to which a measure is consistent or dependable • Degree to which it would give you the same result over and over again  CRONBACH'S ALPHA TEST • Inter-rater or inter-observer/-coder reliability – Degree to which different raters/observers give consistent estimates of the same phenomenon • Test-retest reliability – Consistency of a measure from one time to another • Alternative-forms reliability – Consistency of the results of two tests constructed in the same way from the same content domain • Internal consistency reliability – Consistency of results across items within a test  CRONBACH'S ALPHA TEST An Analogy to Validity and Reliability • A good measurement technique should be both valid (measuring what it is intended to measure) and reliable (yielding a given measurement dependably)  CRONBACH'S ALPHA TEST • Coefficient alpha (Cronbach's alpha) – Average of all possible split-half coefficients resulting from different ways of splitting the scale items Coefficient varies from to (α  0.7) Corrected Item – Total Correlation  0.3 Coefficient Cronbach’s Alpha  Cronbach's Alpha if Item Deleted Note: Cronbach’s Alpha  0.6 (Quote by: Hoàng Trọng, Chu Nguyễn Mộng Ngọc, 2007, phân tích liệu nghiên cứu với SPSS, nhà xuất Hồng Đức, TP,HCM)  CRONBACH'S ALPHA TEST • Performed with SPSS Analyze\ Scale \ Reliability Analysis…  CRONBACH'S ALPHA TEST • Performed with SPSS Analyze\ Scale \ Reliability Analysis…  CRONBACH'S ALPHA TEST • Performed with SPSS Analyze\ Scale \ Reliability Analysis…  CRONBACH'S ALPHA TEST • Reading and interpreting the results  ... Cronbach’s Alpha  0 .6 (Quote by: Hoàng Trọng, Chu Nguyễn Mộng Ngọc, 2007, phân tích liệu nghiên cứu với SPSS, nhà xuất Hồng Đức, TP,HCM)  CRONBACH''S ALPHA TEST • Performed with SPSS Analyze\ Scale... Reliability Analysis…  CRONBACH''S ALPHA TEST • Performed with SPSS Analyze\ Scale \ Reliability Analysis…  CRONBACH''S ALPHA TEST • Performed with SPSS Analyze\ Scale \ Reliability Analysis…  CRONBACH''S... CRONBACH''S ALPHA TEST • Cronbach''s alpha coefficient is a statistical test method used to closely test and test the correlation between the observed variables