2-3 times - Statistics show that Boys usually tend to start talking later than girls and develop language slower than girls too. For example, at 16 months age, girls can produce up to 100 words, while boys struggle to produce even 30 words. This is because boys tend to prefer non-communicative play, like playing with cars, while girls love to imitate behaviors, sounds and expressions. They also have better sensitivity to human voices and prefer it to other sounds.
The answer is competence and diligence. One of the articles of professional conduct, due care, necessitates a member to discharge professional responsibilities with competence and diligence. In addition, competence is resulting from a synthesis of education and experience. In all engagements and in all accountabilities, each member must start to attain a level of capability that will guarantee that the quality of the colleague services encounters the high level of professionalism required by these principles. The due care imposes a member to design and supervise sufficiently any professional activity for which he or she is accountable.