During her interview, the interviewer asked Sibongile to substantiate, in her own words, why she should be considered for more responsibilities and an increase in salary. This is an open-ended question because … .
(1) Sibongile must respond with follow-up questions
(2) Sibongile cannot elaborate as there are specific answers to choose from
(3) it guides Sibongile to a precise response
(4) it encourages Sibongile to express her opinions in her own words
(4) it encourages Sibongile to express her opinions in her own words.