The D ata Set : Quality of Life Survey

For this assignment, you will look at a real data file, condensed from a study that was conducted by a Graduate Diploma in Educational Psychology students. The study was designed to explore the factors that impact on respondents’ psychological adjustment and wellbeing. The survey contained a variety of validated scales measuring constructs that the extensive literature on stress and coping suggest influence people’s experience of stress. The scales measured self-esteem, optimism, perceptions of control, perceived stress, positive and negative affect, and life satisfaction. A scale was also included that measured people’s tendency to present themselves in a favorable or socially desirable manner. The survey was distributed to members of the general public in Melbourne, Australia and surrounding districts. The final sample size was 439, consisting of 42 per cent males and 58 per cent females.

Conduct the following analysis on the outdoor lifestyle data. Consider only the following 5 variables:

1. Total Optimism
2. Total S elf-esteem,
3. Total Positive A ffect,
4. Total Negative A ffect,
5. Total Life Satisfaction
6. Total Perceived S tress
7. Total Social Desirability

Use 3 clusters in each of the following methods to answer the following questions:

1. Cluster the respondents based on the identified variables using hierarchical clustering . Use Ward’s method and squared Euclidean distances.

1. List the number of cases in each cluster
2. List the cases in each cluster
3. Interpret the clusters in terms of the values of the cluster means

1. Cluster the respondents based on the identified variables using the k-mean method.
   1. List the number of cases in each cluster
   2. List the cases in each cluster
   3. Interpret the clusters in terms of the values of the cluster means
2. Cluster the respondents based on the identified variables using two step cluster method.
   1. List the number of cases in each cluster
   2. List the cases in each cluster
   3. Interpret the clusters in terms of the values of the cluster means
3. Compare the results in parts a, b and c.

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Solution: The downloadable solution consists of 21 pages, 444 words.
Deliverable: Word Document