Multiple Choice Questions on Scientific Method - Experimentation in Science

1. The sample that is identical to the experimental sample except for independent variable is

a) test
b) control
c) both a and b
d) none of these

2. The variable that the researcher changes or manipulates is called

a) Control
b) dependent variable
c) independent variable
d) responding variable

3. The variables that are measured throughout the experiment are called

a) Control
b) dependent variable
c) independent variable
d) responding variable

4. The changes in dependent variable is caused by

a) Control
b) dependent variable
c) independent variable
d) responding variable

5. The objectives of experiments include

a) testing hypothesis
b) for supporting or negating a theory
c) for gathering data about natural phenomenon
d) all of the above

6. The unplanned grouping of experimental sample into representative group by chance is called

a) comparison
b) randomization
c) replication
d) orthogonality

7. The arrangement of experimental groups into similar groups is called

a) Grouping
b) classification
c) blocking
d) none of these

8. The comparison made in scientific experiments is referred as

a) Grouping
b) classification
c) blocking
d) orthogonality

9. Zero error is a

a) random error
b) systematic error
c) relative error
d) none of these

10. Error expressed as a fraction of the actual measured quantity is

a) random error
b) systematic error
c) relative error
d) personal error

11. The detailed report of the whole work prepared in a standard format is called

a) research
b) presentation
c) thesis
d) scientific paper

12. A scientific paper has

a) an introduction
b) methodology
c) results and discussion
d) all of the above

13. The process of classifying data in an ordered scientific manner is called

a) tabulation
b) tabling
c) classification
d) blockings

14. The data collected by a researcher from NCBI comes under

a) primary data
b) secondary data
c) tertiary data
d) data

15. An investigator doing laboratory experiments and gathering data coms under

a) primary data
b) secondary data
c) tertiary data
d) data

Answers

1. b) control
2. c) independent variable
3. b) dependent variable
4. c) independent variable
5. d) all of the above
6. b) randomization
7. c) blocking
8. d) orthogonality
9. b) systematic error
10. c) relative error
11. d) scientific paper
12. d) all of the above
13. a) tabulation
14. b) secondary data
15. b) secondary data