Using Relationship Nodes in NVivo

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I responded to a query on the LinkedIn NVivo user group today from someone asking for general ideas and interesting ways of using relationship nodes in NVivo. He said:

I've finished coding & analysing my pilot data. I've realised that the content of a Parent Node A broadly comes before Parent Node B. I'm trying to structure the child nodes in A so that I keep their distinct nature and link them to the child nodes in B using Relationships. Now that I'm starting into the next phase of coding I want to be 'clever' and reflect this in my coding. Am I trying to be too 'clever'? Should my question be 'can someone describe how they have used relationships'? 
I've trying looking up youtube clips re Relationships and can't find anything ..... anything on 'Links' might be helpful too....many thanks in advance....


My response was that I think it depends on the nature of the relationship between the child nodes in parent ‘A’ and ‘B’. You would first have to define the relationship type in ‘Classifications->Relationship Types. Then, form the relationships and code content that support the relationship to these new nodes. Remember, a relationship is a node in its own right. So let’s say the nature of the relationship was one of sequencing phenomena. If you believed that Node A/child 1 had to be present to influence an outcome as coded in Node B/child 1. You might define the relationship type to be ‘precedes’ or ‘is conditional on’ for example. You would then create a relationship between Node A/child 1 and Node B/child 1. Then, using a query or manually, you would code some of the content of either node that supports this hypothesis to the relationship node as means of testing or validating this hypothesis against the data. Having created a series of these relationships, you might then drop them into the modeller to represent the relationship in a more diagrammatical way as they appear quit linear when looked at as a table of relationships in nodes/relationships list view. 

Sometimes, people think that because there are just two components to a relationship when you create a relationship node, Node A/child 1 to Node B/child 1 that you are limited to just two items. This is not the case. Let’s say there are several parts to the relationship instead of just two, Node A, precedes node B while node C or D will be the possible outcome. First link A to B and define the relationship type as ‘precedes’. Then link B to C and define as ‘first possible outcome’. Then link B to D and define as ‘second possible outcome’. When modelled you will have four connected nodes linked through relationships in a ‘Y’ shape. I have no facility hear to show you how this would look in the modeller but you can take my word for it that you can make sophisticated conceptual maps of the relationships across and between your nodes/codes. These models can be graphically impressive and are only limited by the scope of your analysis and your imagination when it comes to making a visual display. 

Relationships nodes are often underutilised in NVivo. For me, they are a brilliant way of pulling things together at the end and for conceptualising more abstract themes whilst still ensuring that your relationships are in fact rooted in the data. They can be combined very efficiently with the modeller and of course models themselves can be exported into software with more graphical capabilities than NVivo has if that’s your cup of tea. 

This is just one example of the myriad of ways that relationships can be tracked and mapped in NVivo. I’m sure others will come up with some brilliant examples from their own research project. I hope this helps!

Kind regards,. 

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Working with Graphical Models

Ben wrote: "models themselves can be exported into software with more graphical capabilities than NVivo has". Can you tell us more about this?

All I found was export to BMP bitmaps or to SVG (web graphics). I did actually play around with the SVG file - since it's XML it's easily editable in Notepad++ or similar - and found that it's easy to change line or node labels ( a good way to get rid of the annoying "Parent" label, for example) or even to change the little icon in the circle to one of my own choice. And of course SVG can be zoomed up or down in the Firefox or Opera browsers (maybe IE too, but I don't have that!). But I couldn't find any way to get the Model out of NVivo in a format that maintained the model structure, and that I could work with in any kind of graph editor or even Excel. So any better tips or tricks?




Alan Sloane Dept of Food Business & Development University College Cork Ireland

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