A researcher wants to examine the relationship between the weight of a student’s school bag and the presence of back pain. Describe a study you might conduct to answer this question. Be sure to include the type of study and the data to be collected.

Read the extract below and identify the three kind(s) of bias that are apparent within it. despite being reintroduced in the 1600s by idle, muddle-headed aristocrats in order to be slaughtered for fun, all the wild boars that were brought to australia from the continent eventually died out. for the next 300 years there were no boars in australia, but in the 1980s farmers saw a chance to diversify and began to import and farm them. some of these beautiful, intelligent animals escaped and established herds of their own, once again living wild and purely natural lives. while their ideal home is in woodland, boars are hardy and are able to live in multiple habitats. a/ mistreatment of opposing views b/ positive stereotyping c/ subjective vocabulary d/ personal attacks e/statistics f/ corporate bias e/ negative stereotyping g/ offensive language

Which two elements does this excerpt from a christmas carol by charles dickens contain? "a small matter," said the ghost, “to make these silly folks so full of gratitude." "small! " echoed scrooge. the spirit signed to him to listen to the two apprentices, who were pouring out their hearts in praise of fezziwig: and when he had done so, said, "why! is it not? he has spent but a few pounds of your mortal money: three or four perhaps. is that so much that he deserves this praise? " "it isn’t that," said scrooge, heated by the remark, and speaking unconsciously like his former, not his latter, self. "it isn't that, spirit. he has the power to render us happy or unhappy; to make our service light or burdensome; a pleasure or a toil. say that his power lies in words and looks; in things so slight and insignificant that it is impossible to add and count ’em up: what then? the happiness he gives, is quite as great as if it cost a fortune." he felt the spirit's glance, and stopped. "what is the matter? " asked the ghost. "nothing particular," said scrooge. "something, i think? " the ghost insisted. "no," said scrooge, "no. i should like to be able to say a word or two to my clerk just now. that's all."

Which from of the moderifier best completes the sentence of the 10 students? malcolm did on the quiz. best more better bestest better