## install devtools if not already
if (!requireNamespace("devtools", quietly = TRUE)) {
  install.packages("devtools")
}
## install tidycor from Github
devtools::install_github("mkearney/tidycor")

## load tidyverse
library(tidyverse)

## load tidycor
library(tidycor)

## reliability of social media use items
cronbachs_alpha(polcom, ambiv_sexism_1:ambiv_sexism_6)
#>                           items    alpha alpha.std
#> 1 ambiv_sexism_1:ambiv_sexism_6 0.904609  0.904600
#> 2               -ambiv_sexism_1 0.882322  0.882225
#> 3               -ambiv_sexism_2 0.884272  0.884121
#> 4               -ambiv_sexism_3 0.896061  0.896218
#> 5               -ambiv_sexism_4 0.897127  0.897411
#> 6               -ambiv_sexism_5 0.883554  0.883420
#> 7               -ambiv_sexism_6 0.881595  0.881855