Focus groups typically involve a group of people who are unfamiliar with a topic and are brought together to respond to question

True

Explanation:

This statement is true. Individuals that are brought into a focus group are chosen by researchers to not have any experience with the topic at hand. They are then given hands-on experience with the product or service that will be discussed with the researchers. This is done to test how brand new users will feel about the product/service when it is released to the public.

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.