Unit 3- Invesrigative Biology

Question 1

Scientific cycle

Answer 1

Observation -> Hypothesis-> experiment design -> gathering, recording analysis of data -> analyse data -> conclusion -> revise hypothesis.

Question 2

Describe the null hypothesis

Answer 2

A statement which proposes that there will be no statistically significant effect as a result of the experiment treatment.

Question 3

Describe peer review.

Answer 3

Any published data should be peer reviewed and critically evaluated by specialists who are experts in the revealing field.

Question 4

What concepts are needed for human studies?

Answer 4

Informed consent: participant is fully aware of the treatment.

Right to withdraw

Confidentiality: any data shouldn’t identify the subject.

Question 5

Validity

Answer 5

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

Question 6

Reliability

Answer 6

Consistent values are achieved in repeats and independent replications.