3.b. Reporting and Evaluating experimental data

Question 1

What should a method section contain?

Answer 1

Sufficient information to allow another investigator to repeat the work.

Question 2

What should experimental design address?

Answer 2

The intended aim and test the hypothesis.

Question 3

What does it mean if the experiment does not address the aim and hypothesis?

Answer 3

The experiment is invalid. the reliability and validity of the experiemtn design should be evaluated.

Question 4

What does it mean if the experiment does not address the aim and hypothesis?

Answer 4

The experiment is invalid. the reliability and validity of the experiment design should be evaluated.

Question 5

What should the treatment effects be compared with?

Answer 5

The control

Question 6

What should be taken into account in the experimental design?

Answer 6

Confounding variables

Question 7

If confounding variables are not controlled then what might be compromised?

Answer 7

Validity

Question 8

What is selection bias?

Answer 8

The selection of a samples in a non-random way so that the sample is not representative of the whole population.