use "ZA5900_v1-0-0.dta", replace
renvars, lower // Switch variable names to lower case
kountry v4, from(iso3n) to(iso2c) // Generate country abbreviation variable
encode _ISO2C_, gen(country)
fre v51-v54 // Work-family conflict items
// Factor analysis yields one-dimensional solution:
factor v51-v54, pcf
// Calculate Cronbach's alpha for each country of the sample:
preserve
statsby alpha_ = r(alpha) ///
, by(country) clear total: /// -total- adds row for total sample
alpha v51-v54
replace country = 25 if country == . // Label row for total sample
label define country 25 "All", modify // Label row for total sample
sort alpha_ // Make list
list, sep(0)
// Create graph
egen order_ = rank(-alpha_), unique
labmask order_, value(country) decode
twoway (dot alpha_ order_) ///
, yline(.70) ///
xlab(1/25, valuelabels ang(v)) xtitle("Country") ///
ylabel(, format(%6.2f)) ytitle("Cronbach's alpha of work{c 150}family conflict scale") ///
note("{it: Note:} Horizontal line denotes conventional cut-off value for Cronbach's alpha", span)
restore
