Page 306 - DMGT404 RESEARCH_METHODOLOGY

Research Methodology

Notes weights are correlations, i.e., the correlations between communication skills and the factor.
But here we have only three variables and only one factor. In real life we may have many
variables and more factors. Whatever may be the case, the basic ideas remain the same.
Suppose we want to recruit management trainees from the campus and as a selection
process, we need to consider the following variables.

X = CGPA
1
X = Problem Solving Skills
2
X = Communication Skills
3
X = Knowledge Test Score
4
X = GD Score
5
X = Personal Interview Score
6
12. People have been rated on their suitability for an advanced training course in computer
programming on the basis of six ratings given by their manager (rated 1=low to 20=high):
(a) Intellect
(b) Interest in doing the course
(c) Experience of computer programming

(d) Likelihood of them staying with the company
(e) Commitment to the company
(f) Loyalty to their team and two other ratings:
(g) Number of GCSEs

(h) Score on a computer programming aptitude test
The training department believe that these are really measuring only three things; intellect,
computer programming experience and loyalty, and want you to carry out a factor analysis
to explore that hypothesis. Describe the decisions you would have to make in carrying out
a factor analysis and what the results would be likely to tell you.

13. Six observations on two variables are available, as shown in the following table:
Obs. X 1 X 2
a 3 2
b 4 1
c 2 5
d 5 2
e 1 6
f 4 2

(a) Plot the observations in a scatter diagram. How many groups would you say there
are, and what are their members?
(b) Apply the nearest neighbor method and the squared Euclidean distance as a measure
of dissimilarity. Use a dendrogram to arrive at the number of groups and their
membership.

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