Category: Learning modules »

Non linear regression analysis in STATA and its interpretation

In the previous article on Linear Regression using STATA, a simple linear regression model was used to test the hypothesis. However the linear regression will not be effective if the relation between the dependent and independent variable is non linear. The non linear regression is used more in the real life as compared to the linear regression. Read more »

Procedure and interpretation of linear regression analysis using STATA

Linear regression analysis is conducted to predict the dependent variable based on one or more independent variables. The basic regression equation is:

Finding impact of independent variable on dependent variable Read more »

Importing data to STATA

STATA comes with a set of sample data files. This helps the learner in understanding how different set of tests can be applied to single data. For the purpose of understanding this module I will be using auto.dta and will be applying some tests to this data. Read more »

Examples of threats to internal and external validity in a research

In my previous article I have discussed how the validity can be ensured with respect to Quantitative and Qualitative analysis. This article discusses the threats to validity (internal and external) irrespective of the approach. Read more »

8-step procedure to conduct qualitative content analysis in a research

A study by Ary et al. (1996) categorized qualitative research/method into two distinct forms. Firstly participant observation, where the researcher is a participant of the study. Secondly non-participant observation, where the researcher observes but does not participate. It is in this non-participant observation where one can use the content analysis approach. Read more »

Importance of research approach in a research

Research approach is a plan and procedure that consists of the steps of broad assumptions to detailed method of data collection, analysis and interpretation. It is therefore, based on the nature of the research problem being addressed. Research approach is essentially divided into two categories:

  1. approach of data collection and
  2. approach of data analysis or reasoning. Read more »

Importance of ethical considerations in a research

Ethical considerations forms a major element in a research. The researcher needs to adhere to promote the aims of the research imparting authentic knowledge, truth and prevention of error. Furthermore, following  ethics enables scholars to deal collaborative approach towards their study with the assistance of their peers, mentors and other contributors to the study. Read more »

Defining research strategy in a research paper on business studies

Sarantakos defined research method as “the theory of methods” (Sarantakos 2012; p. 465), or the way through which a researcher makes sense of the object of inquiry. Within research methodology, research strategy assumes as the “general plan of how the researcher will go about answering the research questions” (Saunders et al. 2009; p. 90). Research strategy is of seven types:

  1. experiments,
  2. surveys,
  3. case studies,
  4. ethnography,
  5. grounded theory,
  6. action research and
  7. archival research. Read more »

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