Traditional Culture Encyclopedia - Photography and portraiture - Basic methods of data acquisition
Basic methods of data acquisition
The basic methods of data collection include questionnaire, field observation, interview, literature research, experimental design, web crawler and so on.
1. Questionnaire
By designing and distributing questionnaires, people's opinions, opinions and feedback on specific topics or problems are collected.
2. Field observation
Directly observe and record events, behaviors and phenomena. On-the-spot observation is a way for observers to use their sensory organs purposefully and systematically or use scientific observation tools to actively understand social phenomena in a natural state.
3. Interview
Talk with individuals or groups face to face or remotely to collect their experiences, opinions and opinions. It is the vocabulary of the press, that is, reporters conduct observation, investigation, interview, recording, photography, audio recording, video recording and other activities to obtain news materials. It is a way of collecting and collecting media information, usually through face-to-face communication between journalists and the people who get the information.
4. Literature research
Collect relevant information and data by reading existing books, papers, reports and news articles.
5. Experimental design
By designing laboratory experiments or field experiments, data are collected under the condition of controlling variables. Experimental design refers to a planned research, including a series of intentional changes to process elements and their effects, and statistical analysis of these results to determine the relationship between process variations, thus changing the process.
6. Web crawler
uses computer programs to automatically collect data from the Internet. Is a program or script that automatically crawls information from the World Wide Web according to certain rules. Other less commonly used names are ants, automatic indexes, simulators or worms.
- Previous article:How does the shooting distance affect the composition of the picture?
- Next article:Introduction of Changtu Railway Line?
- Related articles
- Some skills of wedding photography
- What kind of software is used to make the real renderings of the milk tea bar?
- Wedding photography deposit ratio
- What word can ba form?
- Capture photography skills
- What kind of copywriting does WeChat friends circle self-portrait match?
- Feast Master: Is this a dream? Is it awake?
- What lights are installed in the living room? They are beautiful, practical and beautiful.
- A must-see spot for a one-day tour of Mount Tai.
- In addition to photo shop, is there any better software for making pictures?