Analysis

Question 1

What to include in answer?

Answer 1

-If SD bars- don’t overlap overlap? = significant difference, not likely due to chance
-Is it investigates in humans?
-is sample size large enough- representative?
-has a statistical test been performed to determine significance?
-are long term effects known?
-is time period long enough?
-is there control group?

Question 2

Evaluate method points to look for?

Answer 2

-sample size
-repeats
-control variables- sex,age, previous health conditions
-control experiment
-bias (blind trial)
-duration of experiment

Question 3

Evaluate data points to look for?

Answer 3

-Always state overall trend e.g +ve correlation
-is there any overlap in data?
-is the test group result different from the control group?
-if there a statistic, if so what does it show?
-if not, don’t know if significant

Question 4

What does evaluate the conclusion mean?

Answer 4

Consider method and data to come to judgement
-use ALL information

Question 5

Describe the graph questions

Answer 5

Say what you see
Must include data
(Between points)

Question 6

Use graph to explain

Answer 6

Why pattern exists- apply knowledge

Question 7

Conclude

Answer 7

Say what experiment and graph tells you