Compact print method for objects of class "reliability".
Shows Cronbach's Alpha with quality interpretation and item count
in a single line per group.
For the full detailed output including item statistics, inter-item
correlations, and item-total statistics, use summary().
Usage
# S3 method for class 'reliability'
print(x, digits = 3, ...)Arguments
- x
An object of class
"reliability"returned byreliability.- digits
Number of decimal places to display. Default is
3.- ...
Additional arguments (not used).
Examples
result <- reliability(survey_data, trust_government, trust_media, trust_science)
result # compact one-line overview
#> Reliability Analysis: 3 items
#> Cronbach's Alpha = 0.047 (Poor), N = 2135
summary(result) # full detailed output
#>
#> Reliability Analysis Results
#> ----------------------------
#> - Items: trust_government, trust_media, trust_science
#> - N of Items: 3
#>
#> Reliability Statistics
#> ----------------------------------------
#> Cronbach's Alpha: 0.047
#> Alpha (standardized): 0.048
#> N of Items: 3
#> N (listwise): 2135
#>
#> Item Statistics
#> ----------------------------------------
#> item mean sd n
#> trust_government 2.621 1.162 2135
#> trust_media 2.430 1.156 2135
#> trust_science 3.624 1.034 2135
#>
#> Inter-Item Correlation Matrix:
#> ------------------------------
#> trust_government trust_media trust_science
#> trust_government 1.000 0.014 0.020
#> trust_media 0.014 1.000 0.015
#> trust_science 0.020 0.015 1.000
#> ------------------------------
#>
#> Item-Total Statistics
#> ----------------------------------------
#> item scale_mean_deleted scale_var_deleted corrected_r
#> trust_government 6.05 2.440 0.024
#> trust_media 6.25 2.467 0.020
#> trust_science 5.05 2.723 0.025
#> alpha_deleted
#> 0.029
#> 0.040
#> 0.027