Methods of Research

A. Experimental Method

• Matter of logic not location
• Special laboratories to control conditions
• Labs are generally located in universities or a research institute 

• Independent Variable – Independent of what subject does
• Dependent Variables – Variable affected by changes (measure of subject behavior)

• Use of precision instruments to control unseen variables

B. Observational Method

• Observation in natural environment

• Either through the use of questionnaires or interviews

• Scientific Biographies
• Reconstruction of a person’s life events
• Used in Longitudinal studies

•  Measures all kinds of abilities, interests, attitudes, and accomplishments
• Subjects are presented with a uniform situation to a group of people who vary in aspects relevant to the situation

3.Tippit table refers to ____________

1. a) Table of random digits
2. b) Table used in sampling methods
3. c) Table used in statistical investigations
4. d) All the above

4._________ is a preferred sampling method for the population with finite size.

1. a) Area sampling
2. b) Cluster sampling
3. c) Purposive sampling
4. d) Systematic sampling

5._______ refers to inferring about the whole population based on the observations made on a small part.

1. a) Deductive inference
2. b) Inductive inference
3. c) Pseudo-inference
4. d) Objective inference

6.Random sampling is helpful as it is __________.

1. a) An economical method of data collection
2. b) Free from personal biases
3. c) Reasonably accurate 
4. d) All the above

7.The data of research is ______

1. a) Qualitative only
2. b) Quantitative only
3. c) Both (a) and (b)
4. d) Neither (a) nor (b)

8.The longitudinal approach of research deals with _________.

1. a) Horizontal researches
2. b) Long-term researches
3. c) Short-term researches
4. d) None of the above

9.A researcher divides the populations into PG, graduates and 10 + 2 students and using the random digit table he selects some of them from each. This is technically called