Question
Q1 Highlight the target population, identify the sampling technique used,and calculate the sample size for the cases listedbelow . Students may use Krejcie and Morgan
Q1Highlight the target population, identify the sampling technique used,and calculate the
sample size for the cases listedbelow. Students may use Krejcie and Morgan (1979) table
where required. (12 Marks)
a)Atif worked in a pharmaceutical company with 1500 employees. He calculated a sampling fraction of 1/5. Using the employee list available with HR department, he assigned each employee a unique number. Atif selected first employee at random from the early 5 in that list and continued to select every fifth employee onwards.
b)Hamid needed to ensure that the total of 1000 staff from all the three departments of a hospital was represented correctly in his research. His sampling frame was thus divided into three categories i.e. the three different departments. The individual cases in each department were then numbered and then selected randomly.
c)Maria's research was concerned with college students' motivation to learn. However, the exact number of students studying in colleges in Pakistan was unknown. She visited her college and planned to personally distribute and collect the questionnaires during the session break from various class rooms with the help of her 3 friends.Just in few hours, she was able to collect the required number of filled questionnaires.
d)Sadia needed to interview retired bank presidents in Pakistan. She arranged her first interview with the retired bank president of her own bank and asked him whether he could be of further assistance. He offered to 'introduce' her to two other retired bank presidents that Sadia could interview and provided her with their contact numbers. Sadiainterviewed 30 retired bank presidents in this way and then stopped as the data got saturated.
Q2Which of the scale ( i.e.Nominal, Ordinal, Interval or Ratio) will be used formeasuring
thefollowing details of an employee. Give justification for your choice.(6 Marks)
a)Age? ______b)Name of the department? _________
c)Year of Joining? _______d) Salary Scale? ___________
Q3. Critically analyze the item total statistics provided in table 1 and suggesthow the cronbach's
alphascore of the construct can be improved to reach its desired threshold. ( 2 Marks)
Table 1 Item Total Statistics
Scale Mean if Item Deleted
Scale Variance if Item Deleted
Corrected Item
Total Correlation
Cronbach's Alpha
if Item Deleted
Motivation_1
16.6912
18.700
.469
.729
Motivation_2
16.5724
19.179
.849
.530
Motivation_3
16.5142
17.590
.827
.553
Q4.The objective of a research study is to find the impact of work stress, employee motivation
andteam work on organizational commitment of employees in IT firms in Karachi. The
resultsof regression analysis areprovided in Table 1:
Table1Results ofRegression Analysis
Model
Unstandardized Coefficients
Standardized Coefficients
T
Sig.
B
Std. Error
Beta
(Constant)
.540
.178
3.036
.002
Work Stress (WS)
-.280
.040
-.204
6.927
.000
Motivation (M)
.287
.047
.308
6.076
.000
Team Work (TM)
.305
.043
.353
7.027
.000
R Square= .674
You are required to:
a.Interpret the results of regression analysis.
b.Compose a regression equation.
Q5Writea summary of your final research project
.The summary:
(i)Must not exceed the allotted space in the
(ii)Must cover all the key contents in general
(iii)Must not include any diagram or table
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