5.4 Student D


4 Qualitative


 ≠ numbers; usually verbal info; used to find out attitudes, beliefs, etc. Methods inc. interviews, focus groups, etc.


+ reveal unknown probs; basis for quant. methods


– in groups, opinions easily led by one person; only small numbers ∴ difficult to generalize


7.4 Student D


Social


• Because source code can be reused, there is less waste of effort and the benefits of the software can be shared by many without further cost.


• Greater democracy in terms of which features are developed in future versions.


• Code is transparent, not ‘black box’, so it can be easily tested to ensure that software does what it is supposed to.


• Cost is not a barrier to using open source software, bringing computing to a wider user base.


• No limits on the distribution of open source software mean that good software is quickly recognized and widely used.


106


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