scientific principles and process

Question 1

scientific cycle

Answer 1

• form a hypothesis
• design experiment
• gather and analyse data
• draw conclusion
• form a new hypothesis

Question 2

the three Rs

Answer 2

• reduction
• refinement
• replacement

Question 3

reduction

Answer 3

using the minimum number of animals in order to obtain robust results

Question 4

refinement

Answer 4

using methods that minimise potential pain, suffering or distress for the animals

Question 5

replacement

Answer 5

replacing the animal with an alternative such as tissue cultures or a less sensitive species

Question 6

validity

Answer 6

variables controlled so that any measured effect is likely to be due to the independent variable

Question 7

review article

Answer 7

scientific article that summarises current knowledge and recent findings in a particular field