Considerable individual differences can exist between workers, and these differences can cause one operator to outperform another consistently. Which of the following is NOT an influential difference? $.$

Physical capacity

Health

Proximity to work

Inherent knowledge

Question $2$

$1$ pts

The frequency of rating depends on the cycle time. In short$-$cycle repetitive operations, little deviation in operator performance is expected during the course of the average$-$length study $q,$

$(15$ to $30$ min $).$

$(30$ to $40$ min $).$

$(40$ to $50$ min $).$

$(50$ to $60$ min $).$