A recent study published by the Workforce Development Institute claims that companies with robust employee training programs see a 25% increase in employee retention rates compared to those without such programs. The study analyzed data from 500 businesses across various sectors.
However, critics argue that the study may not accurately reflect the true impact of training programs since factors such as company culture and management practices could also play significant roles in employee retention. To strengthen the initial argument, which of the following pieces of information would be most helpful?