LESSON 20 part 2 Flashcards
How do search engines work?
Crawl
Index
Match
Locate
Display
Automated spiders browse websites and build list of keywords
Crawl
Select info is sent to the search engines database to be indexed
Index
Pages are sorted and ranked by relevance on a page
Display
Types of Data Collection
Quantitave and Qualitative Data
Data that is expressed in numbers and summarized using statistics to give meaningful information
Quantitative Data
When we use data for description without measurement
Qualitative Data
Data can’t be easily summarized using statistics
Qualitative Data
What are the sources of data
Primary Data
Secondary Data
A data obtained ‘directly’ from individuals, objects, or processes
Primary Data
It is when you collect a data after another researcher that initially gathered
Secondary Data
Mathematical formulas, models, and techniques that are used in statistical analysis
Statistical tools
These are designed through the ‘careful construction of questions’ to identify facts and opinions from specific groups of respondents
On-line Questionnaires
Allows participants to communicate response via the internet, typically by completing a questionnaire in a web page
Digital Polls
Another name for DIGITAL POLL
Online Poll
