Unit 3 scientific principles & process

Question 1

Hypothesis

Answer 1

Prediction of relationship between independent and dependent variables

Question 2

Null hypothesis

Answer 2

Easy to test prediction that there is not relationship between the independent and dependent variables

Question 3

Peer review

Answer 3

Appraisal of a piece of work or a scientific report by an indepentent expert in the relevant field

Question 4

Plagiarism

Answer 4

copying the work of others without acknowledgement

Question 5

Reduction

Answer 5

Lowering the numbers of an organism used in a stufy in order to minimise harm to species

Question 6

Refinement

Answer 6

The consideration and adoption of methods to minimise harm to a species, inclusing improved animal accommodation and vetinary provision

Question 7

Replacment

Answer 7

Use of an alternative to whole organisms in a study to minimise harm to a species

Question 8

Replication

Answer 8

Repeating an experiement either within the study or independently to improve reliability

Question 9

Review article

Answer 9

Expert report that summarises all that is known about an area of interest