Category: Learning modules »

Importing data and defining the variables in DEAP

The previous article, explains the process to download Data Envelopment Analysis (DEA) and define the case problem in hand. The first step now is to understand how to import data in DEAP. As defined in the previous article, the input and the output variables were identified from literatures and then data was collected and compiled in MS Excel.  Read more »

Quality assessment of higher secondary education at schools using Nvivo

Having explained the background to NVivo, including types of data processing, data importing and others, this section will explain briefly about the case project. It will enable readers to understand data manipulation, processing, presentation and visualization processes. Read more »

Reviewing documents on Mendeley desktop

With the option to save PDF document in the Mendeley desktop, it is now easier to store, and review the pdf document at any point during the study. For reviewing documents, follow these simple steps:

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Bibliographical data analysis using Nvivo

The previous article types of data analysed in NVivo explained the data processing of literature review using NVivo and this article  extends the previous article. However, it is imperative to mention that the steps are not limited to the ones discussed here. Rather this article serves as a summarized form of the vast literature of processing bibliographical data in NVivo.

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Explaining validity and reliability of qualitative data in Nvivo

It is important to establish the reliability and validity of the data before going further into the procedure of using NVivo for qualitative data processing, manipulation, analysis and representation. Scholars have studied and acknowledged the significance of meeting the condition of reliability and validity in data for generating reliable results. Qualitative analysis lacks details about methods used to generate results. In majority of the cases, qualitative data is manually handled. One can analyze data on the basis of individual understanding and interpretation of the responses, attitudes and behavior of the participants. Therefore, reliability and validity can be achieved by maintaining quality, rigor and trustworthiness through processes such as triangulation.

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Procedure to create different types of nodes in Nvivo

A computer assisted qualitative data analysis software (CAQDAS) like Nvivo enables researchers to process qualitative data systematically by breaking the responses into nodes. They act like ‘sticky notes’ referring to particular themes or topic. However, they can be easily retrieved, organised, flexible, delete, alter or merge with another node at any given stage. Read more »

Handling text value and characters in MATLAB

As discussed in the previous article, a text value can also be assigned to a variable. The string variable used for input is identified as text & character variable in MATLAB. In the example below, a string or a sequence of characters are enclosed in single quotes.

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Importing sources and creating new documents and memos in Nvivo

Sources is a menu to save research material including interviews, surveys, pictures, audios and any other type of files. Thus, this article will discuss in detail about examining the following methods to import sources into Nvivo:

  1. Internals
  2. Memos
  3. Externals

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