One reason, of course, is just human curiosity. Another reason is that they need. to know what caused the accident in order to prevent similar occurences in the. future. A third reason is money. Wire rope failures are often associated with. expensive damage, and someone will have to pay the bill.
The purpose of a PPE is to prevent injury and death related to sports participation, and to meet potential legal requirements. The PPE is intended, not to diagnose or manage medical conditions, but
Use alternative approaches to pre-post tests: 1) non-equivalent control group design; 2) Time-series design; 3) Causal modeling. Divide student sample randomly into two subgroups. Give one subgroup test form A at the pre-test and give the other subgroup test from B at the pre-test. Then switch for the post-test.