week 14

E3 Using and manipulating data

The uses, processes and implications for individuals and organisations of accessing and using data

and information in digital form.

• Sources of data:

o primary

o secondary.

• Judging and ensuring the reliability of data.

• The characteristics and implications of methods of collecting data and opinions:

o survey

o questionnaire

o focus groups

o interview.

• Reasons for ensuring data accuracy.

• Methods of ensuring data accuracy:

o verification

o validation.

• Methods of extracting and sorting data.

• Numerical and data modelling.

• Presenting data and results.

• The characteristics and implications of user interfaces for data collection and processing systems:

o ease of use

o accessibility

o error reduction

o intuitiveness

o functionality

o performance

o compatibility.

Last Updated
2021-04-20 15:20:17