Statement : Many people are of the opinion that use of cell phones in of ces for personal use should totally be banned. It has been found in a research study, that there was signi cant drop in output of employ-ees in the organisation where use of cell phones was liberally allowed vis-a-vis those organisations where use of cell phones are banned for making personal calls. Which of the following contradicts the ndings of stated in the above statement ?

People spend more time on talking while using cell phone for personal calls.

Use of cell phones has become common in all the organisations.

In the organisation where employees were allowed to use cell phones for making personal calls the employees are found to be more motivated to carry out their duties than those working in other organisations

Many organisations who provide cell phones to their employees for making of cial calls advise them to refrain from making personal calls during of ce hours

None of these