what three activities will likely help the supplier answer the question what was different this time? $1.$ determine what new undesired behavior is involved $2.$ determine what shift or phase of operation was in place $3.$ determine if plant or equipment life cycles contributed to the problem $4.$ determine if a time pattern is involved $5.$ determine when the problem occurred: day, date, time $6.$ determine which unit, area, or department contributed to the problem $7.$ determine if new equipment, machines, or tools contributed to the problem $8.$ determine what is wrong now and are there prior complaints