Applicationfailurescan becaused bya numberofcodingproblems, eachof which youmustinvestigateby using the datacollectionandanalysistechniquesandtoolsavailable.
Ari organized perhaps the most important first step in this reform effort: Seeing the lack of baseline data, he assembled a team of researchers and created and managed a dataanalysis exercise involving the detailed codingof hundreds of thousands of pieces ofdata.