1. Chapter 1 – Investigating scientifically
FLASHCARDS
Chapter 1 – Investigating scientifically

2. The variable that is deliberately changed to determine its effect

3. The variable that is deliberately changed to determine its effect
Independent variable
The variable that is deliberately changed to determine its effect

4. Dependent variable

5. The variable that changes in response to the independent variable

6. Variables that are kept the same across the experiment

7. Variables that are kept the same across the experiment
Controlled variables
Variables that are kept the same across the experiment

8. Experimental group

9. The groups/trials that have the independent variable manipulated
Experimental group

10. The groups/trials that do not have the independent variable manipulated. The comparison groups or the “norm”

11. Control group
The groups/trials that do not have the independent variable manipulated. The comparison groups or the “norm”

12. Repetition

13. Repeating the same experiment many times
Repetition

14. Having a large sample size or number of trials

15. Having a large sample size or number of trials
Replication
Having a large sample size or number of trials

16. Testing what it is supposed to test
Testing what it is supposed to test. Having a method which controls all variables and tests the hypothesis

17. Validity
Testing what it is supposed to test. Having a method which controls all variables and tests the hypothesis

18. The extent to which an experiment gives the same results each time
The extent to which an experiment gives the same results each time. Increased by repetition and replication

19. Reliability
The extent to which an experiment gives the same results each time. Increased by repetition and replication

20. Quantitative data

21. Data that can be measured. Uses numbers
Quantitative data

22. Data that cannot be measured. Data that requires the use observations

23. Data that cannot be measured. Data that requires the use observations
Qualitative data
Data that cannot be measured. Data that requires the use observations

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