Data Collection Methods Flashcards
What is a sensor?
A sensor is a device that detects a change from the environment around it.
Give 2 advantages of sensors
- Once set up no human interaction is needed, as data can be sent electronically
- The data collected is usually more accurate than data collected by a person
Give 2 disadvantages of sensors
- Sensors may stop working
- The position of sensors needs to be carefully considered to gain accurate data
Name 5 types of sensors
- Infarred
- Heat
- Motion
- Pressure
- Light
Give 3 advantages of Questionnaires/Surveys
- Comparisons are easy to formulate
- The same Questionnaire/Survey can be sent to a large number of people at the same time
- It is cheaper when asking a large number of people
Give 2 disadvantages of Questionnaires/Surveys
- If the Questionnaire/Survey is online, people need the technologey to be able to complete it
- A badly designed question may not get a response in the corrert format
e. g typing data instead of information
What is a loyalty scheme?
In return for belonging to a scheme customers get rewards, (this could be discounts e.g 25% their next shop).
Give 2 advantages of Loyalty Schemes
- Businesses can track customer habits everytime a purchase is made using the loyalty card
- A loyalty scheme can keep customers using the business
Give a disadvantage of Loyalty Schemes
Some customers may believe the data being collected by the businesses is an invasion of privacy.
What is a consumer panel?
A group of people who are asked by a company for opinion/advise on a product/service.
Give 3 advantages of consumer panels
- Response rates are high as participants have agreed to take part.
- The company gets specific feedback on a product/service.
- Cost can be low if online feedback methods are used.
Give 2 disadvantages of consumer panels
- If a product needs to be presented to a panel, there may be a delivery cost.
- Need a range of people on the panel to avoid biased feedback.
Give 2 advantages of Email
- The same email can be sent to a large number of people at exactly the same time.
- Results from an email can be automatically inputted into software for analysis.
Give 2 disadvantages of emails
- Emails may be diverted into spam/junk folders.
- If the data [fields] don’t match then the data being collected may be worthless.