In addition to reviewing hard numbers (quantitative) and experiences (qualitative), the Mixed Method combines them both. This approach offers extremely valuable insights about what could be going wrong in a company.
As part of my Year In Review, I kept track of how many books I was able to read. Compared to last year, I finished fewer books (21 books versus 26 last year). But although less of my time in 2018 was spent reading, I chose to delve into a few subjects that took more effort to get through.