Lab 1

Question 1

What is the scientific method

Answer 1

• A deliberate way of asking and answering about the natural world
• Question must be well-defined and testable. measurements must be measurable and controllable.

Question 2

What is a hypothesis?

Answer 2

A reasonable explanation to answer the question being asked. Objective and quantifiable.

Question 3

What are predictions?

Answer 3

Logical conclusions. If the research is correct then a certain outcome is expected.

Question 4

What is a Null hypothesis?

Answer 4

A statement which identifies that the outcome in the experimental group will be the same as a control group. F

Question 5

What is the independent variable?

Answer 5

Factor being manipulated by the researcher. Researcher controls.

Question 6

What is the dependent variable?

Answer 6

Response that is being measured. Expect to change when we manipulate independent variable.

Question 7

What is the controlled variable?

Answer 7

Factors that may affect the outcome of the experiment and so must be controlled and kept constant. (must be controlled so certain results are from independent variable)

Question 8

What is the Experimental group?

Answer 8

group being subject to the variable

Question 9

What is the Control group?

Answer 9

Treated exactly the same way as the experimental group except for the independent variable.