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1.Because it is useful for class.
2.Topic of the questionnarie
time required
form
process of answering

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This is Ethics.
it make sure the participating in a research study have the right to know they are being researched,to be told fully about the purpose of the research and its potential risks and benefits,and that they can withdraw their participation at any time.

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1. If you were the researcher who wrote this questionnaire, which answers would be the most useful for you: version 1, 2 or 3? Why?

2. Which version is the easiest for the participant to answer: version 1, 2 or 3? Why?

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Participant is the person completing the questionnaire.
Researcher is the person who created and set the questionnaire

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Online/computer-based
Postal
Delivery and Collection
Telephone/Online Interview
Structured Interview

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Participants is answering questions of questionnaires to give information.
Researchers should create the questions and ask questions to obtain information.

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online/computer-based
postal
delivery and collection
telephone/online interview
structured interview

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questionnaire participant is the man who answer the question, questionnaire researcher is the man who create the questionnaire and analyze the participants' answers.

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advantage:1. cheap . 2.quick 3.convenient for particpants
4.no negative interview affects .
disadvantage: 1.risk of low response rates
2.cannot prompt or prode
3.if too many question , participants may get bored
4.limited opportunity for open question
5.not ideal for qualitative ,detail-based data
6.do not know who answer
7.answer might not be appropriate
8.if partcipant skip question ,then whrer will be missing data

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Online/computer-based
Postal
Delivery and collection
Telephone/Online interview
Structured interview

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A:1. Different references.
2. Different uses.
3. Pros and cons.
Open-ended questions are questions with no clear direction and can be considered in a wider range.
Closed questions are directional problems, which can only be considered in accordance with the established direction

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1.Definition
2.Gender/Age/Income/Nationality/Level of education/Religion/Sexual orientation...

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1.I think version1 is the best for researcher ,because there are many selections that can make research more convincing .
2.version2 is simple for partcipants to answer

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Open-ended questions are questions with no clear direction and can be considered in a wider range.
Closed questions are directional problems, which can only be considered in accordance with the established direction

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definition
included:  gender/age/Nationality

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B:Open-ended questions are more commonly used because open-ended questions yield open-ended answers, whereas closed questions tend to yield one-word answers.

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advantages:
cheap
quick
convenient

disadvantage:
risk of low response rates
boring
anonymous answer
can not collect complete data

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I think Version 3 is the best, because verison 3 needs select all apply, we can get enough
information. Although Version 1 can get detailed information, it has many question to answer and very complex. Version 2 is very simple, we may get enough information that we need.

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advantage: quickly and convenient, it will not cost too much time to get data from participants.
disadvantage: the attendance of participants may not assured by free and flexible requirements.

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1 definition
2 gender/age/job/revenue/religion