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Writing Frame for Critically Evaluating a Report DVT.

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Presentation on theme: "Writing Frame for Critically Evaluating a Report DVT."— Presentation transcript:

1 Writing Frame for Critically Evaluating a Report DVT

2 “Young professionals and gamers risk thrombosis”,

3 Lifeblood Lifeblood is a British charity promoting thrombosis awareness. Look at the survey questions as well as the article.

4 professionals-and-gamers-risk-thrombosis/

5 Make a list of the main findings Going through your lists, come up with Positive aspects and Concerns

6 Positive aspects of this survey: large enough sample, online-so anonymous encouraging people to answer truthfully, clear definitions of an office worker and a gamer.

7 Concerns: Selection method not stated may not be random potential for a high non-response rate-(workers too busy) only young people surveyed but findings extrapolated to “9 million office workers” which may include other age-groups some ambiguous response options dubious claim made: “eating lunch at a desk could double risk of DVT” it is staying seated that increases the risk, not place of lunch

8 There should be no ambiguity when answering a survey. This ComRes survey clearly defines an “office worker” and “a gamer” but offers the ambiguous response options: very often, fairly often, not very often in questions 9 to 12.

9 Go to “Broadcasting Standards Poll” - 5 pages on Give 3 concerns you might have

10 Sampling Error-hidden agenda, has a very high non-response bias, question concern: 3 different aspects together in one question.

11 Read “Opinion Divided on NZ-US Exercises”

12 Do you Know the background to this?

13 Potential unfamiliar vocabulary Exercises in the military sense and the two names “Galvanic Kiwi” and “Alam Halfa” ANZUS rift dubbed Marine Corps Reciprocal platoon exchange Resuming, resumption

14 Potential unfamiliar general knowledge Role of Americans in NZ during world war II The ANZUS alliance The origins of New Zealand’s anti-nuclear policy and the banning of American ship visits.

15 -n10.html -n10.html

16 The margin of error is a statistic expressing the amount of random sampling error in a survey's results. The larger the margin of error, the less confidence one should have that the poll's reported results are close to the "true" figures; that is, the figures for the whole population. Margin of error occurs whenever a population is incompletely sampled.

17 Margin of error when there is only 1 group =

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