MCQOPTIONS
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				| 1. | 
                                    Which of the following is not a type of personal barrier? | 
                            
| A. | Fear of challenge to authority. | 
| B. | Unwillingness to communicate | 
| C. | Loss by transmission and poor retention | 
| D. | Lack of proper incentive | 
| Answer» D. Lack of proper incentive | |