Data
Raw unorganised facts, figures and symbols
Data Acquisition
Is when raw data is gathered from outside the information system
Information systems
data, processes, people and digital systems
Digital systems
Refers to elements such as hardware and software and their interconnectedness used to create digital solutions
Primary Data
data that has usually been collected by the user and has been unedited by anyone
Ways to collect primary data
questionnaire, interview, observations, census
Primary Data strengths and weaknesses
Strengths: suits research question exactly, always reliabile and is not altered
Weaknesses: time and labour intensive, expensive
Secondary data
Data thaty has been collected or gathered by someone else
Where to find secondary data
Newspapers, websites, books
Strengths and weeknesses of secondary data
Strengths: Cheap and quick to collect, huge amounts of data available
Weaknesses: May be partly irrelevent, sources may not be reliable, potentially inaccurate
Strengths and weeknesses of surveys
Stregnths: Fast and cheap way to collect data, administered in many ways
Weaknesses: Question types are limited, may not be filled out completely or honestly
What is an interview
It takes place with 2 or more people in real time, face to face, video or phone and all questions written iun advance
Strengths and weeknesses of interviews
Advantages: can see respondents’ facial expression, can ask follow up questions, respondents less likley to lie
Disadvantages: Costly in time and labour, bias, only qualitative data
What is observations
Involve watching and taking notes in real time as an impartial observer and they can be combined with other collection techniques
What does cleansing data involve
removing duplicates, fix missing records, sort filter and reformat data, identify and firx errors
What are the pros and cons of bbig data collection
Pros: improved decision making, reduced costs, increased productivity, enhanced customer service
Cons: cybersecurity risks, talent gaps, compliance complications
