problem 1: Answer the following problem:

a) State the criteria of a good problem.

b) What is meant by the selection bias in sampling?

c) State two benefits of Likert scale.

d) What are the steps in writing the research report?

e) State the criteria for categorizing experimental designs.

f) What does canonical correlation analysis mean?

g) State the fundamental terms in factor analysis.

h) What do surveys study?

i) State the kinds of non-probability sampling.

j) What is meant by the semantic differential scale?

k) Define the term experimental design.

l) What is quasi-experimental design?

m) Give an illustration of the APA style of writing a reference in a research paper.

problem 2: Answer the given problem:

a) What are the similarities and difference between quota sampling and proportionate Random sampling?

b) What is the Thurstonian type scale?

c) In what manners does a multi-group design with single independent variable distinct from factorial design?

d) Why is it necessary to use a pretest in the nonequivalent control group design?

problem 3: Answer the given problems:

a) Describe the ethical issues in the psychological research.

b) describe variance. describe the sources of variance which hamper the internal validity of the research findings.

c) Describe with illustrations mixed designs.

d) Describe Low laboratory experiments and experiments in natural settings distinct in control, external validity, goals and effects.

problem 4: Answer the following problems:

a) Distinguish between psychological and psychophysical scaling. Describe direct scaling methods.

b) Describe the characteristics of multivariate data analysis. Describe the second order and higher order factoring.

c) Critically assess the computer applications in research. What precautions must be taken while using computers in research?

d) What is the main purpose of writing research report? describe with illustrations the structure of research report.