Quantitative Data Analysis

Topics: Chi-square test, SPSS, Pearson's chi-square test Pages: 8 (2419 words) Published: December 1, 2010
Unit 3: Practitioner Research Techniques Assessment. Part 2; Quantitative Analysis By Stephenson J Sylvester, University of Huddersfield. July 2006

This paper is a discussion in support of the Doctorate of Education Programme Unit 3 Assignment part 2 on Quantitative Analysis. The discussion looks at the usage and value of quantitative data analysis packages like SPSS. A brief comparison is drawn between other methods of data analysis and a summary conclusion is made. A step by step procedure is adopted in answering some key points on the use of SPSS for Windows. Where indicated, the data and information from SPSS version 12.0.1 has been inserted directly into the discussion. One of the first questions that surface is “What does SPSS stand for?” Quite simply, it means “Statistical Product and Service Solutions.” It is an amalgam of several software packages designed and developed over many years to analyse statistical data and make predictions based on probability. These packages have been around for about 38 years and it was formerly called “Statistical Package for the Social Sciences”. An in-depth history and makeup of SPSS can be found online at spss.com.1 It is very useful in social and/or educational research, where there is a need to handle a large amount of statistical data generated in the investigation through the use of quantitative analysis and questionnaires. Indeed, where data is gathered from a very large number of respondents by the use of questionnaires, it can be very difficult to arrange the presentation of the data for the readers benefit. It can also be difficult to present supporting analysis in the form of evidence for any conclusions the researcher may draw or infer from the statistics. SPSS for Windows is a tool, one of many, which aid this process. There are other software packages like NCSS, WINKS, Statsoft, Stata, etc, but by far the most popular and widely used by social researchers in quantitative analysis is SPSS. To set the scene, we have a research project to determine the relationship between sixth form students and their desire to go to university. The comparison is made across both genders and an assumption is made that there is no difference between the genders. This is called the “null hypothesis”. In its simplest form we measure the difference between what we expect the respondents to say and what the respondents actually say. It the difference is small, we put this down to chance and accept the basic assumption of there being no difference. If the difference large we reject the null hypothesis and


SPSS Inc, (2006), About SPSS Inc, [online], Available at: . Accessed – 3rd July 2006


Chi-Square Analysis: Sample Questionnaire Items

Please place a tick in the appropriate box to indicate your response.


What is your gender?


[1] [2]

Female 


Do you wish to go to university after the Sixth Form?

Yes No

 

[1] [2]

Picture i. Picture i. shows a sample questionnaire used during this assignment. There are two questions which each have two possible answers. The questions are numbered 1 and 2 respectively. In the first question, the subject of gender is addressed. The respondent has the option of answering male or female to the following question. “What is your gender?” The subject of desire is addressed using the following question. “Do you wish to go to university after the Sixth Form?” Here the respondent has the option of “yes” or “no” to indicate their desires on university study after Sixth Form College. Each question has been given an identification that will be used in SPSS later. For question 1 the identification is “gend”. For question 2 the identification is “uni”. In each question, the respondent has an option of two answers. For the purpose of this exercise, these are coded with two unique numbers. In the first question “1” is used for


Male and “2” is used for Female. In the second question “1” is used for a...
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