158.796 Assignment 2. Basic Data Generation and
Statistics

**Aim: ***Working individually. *Students
will help generate data by answering a questionnaire, then analyze the resulting data using descriptive and correlational statistics. By participating in research you
will also learn a great deal about how it works.

**Details**

1. Participate in an online research
survey and invite a friend to do so (email Lornie Enggong L.Enggong@massey.ac.nz within the next week to
start, then you must complete the survey within the following week).

Alternatively, devise
a questionnaire of five socio-technical evaluation criteria, with five questions to
measure each. Print the questionnaire 20 times and fill it in to generate 20
different cases of response data.

2. You need the results as an Excel
spreadsheet, where the first column is case number, and the following columns
are labeled Q1, Q2, etc. for Question 1 etc. The rows are the cases - subjects
who answered it. You also need a Legend to say what question Q1 is, and Q2,
etc. If you participated in the online survey, this spreadsheet will be sent to
you by email.

3. In your report provide:

a. A suitable title

b. A table giving the criteria names
and the text of every question for each

c. A table where you have show Calculate
correctly basic descriptive statistics (number, mean and standard deviation)
for every question. Show the results in a table. Also calculate and show the
same for every criteria.

d. Choose five questions of one criteria and calculate the correlations between them. Show
the results in a table.

e. Calculate an average of the five
questions in a new column to create a new criterion variable.

f. Calculate the correlations between
each question and the criterion variable.

g. Discuss what on the above analysis
means. Note which questions go together. Discuss whether the questions are part
of a unitary criterion factor or not. Recommend which two questions you would
drop from the survey if it was too long, and how much effect you feel this
would have on the validity of that criterion measure.

**Deliverables **

1) Submit printed copy of report *at
the beginning of class* on the due date, with the Excel spreadsheet you used
that shows all calculations as an Annex (rows and columns must have meaningful
titles or if shortened have a legend attached).

2) Email an electronic copy of your
report and the Excel Spreadsheet used as attachments to bwhitworth@acm.org **and** L.Enggong@massey.ac.nz__ WITH 158796 ASG1
IN THE TITLE__.