Questionnaire Design and Data Analysis Process

Play an AI-generated podcast conversation about this lesson

What are some key factors to consider when choosing the approach for conducting a questionnaire?

The researcher's availability and confidence in approaching respondents (correct)

The number of trees in the vicinity of the survey location

The price of the survey software used

The weather conditions on the day of the survey

Why is it important for a sample to closely represent the whole population?

To prevent any bias in the survey results (correct)

To reduce the number of questions asked

To ensure it includes only certain age groups

To save time during the survey process

What two factors contribute to determining the representativeness of a sample?

Population density and sample color

Sample size and sample selection (correct)

Sample age and sample gender

Sample weight and sample height

Why is it crucial to calculate the sample size correctly?

To prevent biased or unrepresentative results Signup and view all the answers

What is one of the common questions related to sampling addressed in the text?

'How many people should I survey?' Signup and view all the answers

What confidence level does standard protocol recommend aiming for in statistical research?

95% Signup and view all the answers

What is the main difference between self-completion questionnaires and researcher completion questionnaires?

The presence of a researcher to guide the respondent Signup and view all the answers

In which type of questionnaire must the researcher be cautious of their influence on the survey?

Researcher completion Signup and view all the answers

Which type of questionnaire has a higher likelihood of communication errors?

Self-completion with no researcher present Signup and view all the answers

Why is it important for researchers to be aware of all reactions, including body language and neutral responses, in certain types of questionnaires?

To influence the respondent's answers Signup and view all the answers

What must a researcher be cautious of when responding to similar questions raised by the respondent in certain types of questionnaires?

Being consistent in responses Signup and view all the answers

Which type of questionnaire involves the researchers asking the respondent the questions and completing the questionnaire themselves?

Researcher completion Signup and view all the answers

What does a 95% confidence level indicate in a survey?

There is a 95% chance that the survey results are accurate. Signup and view all the answers

What is the significance of the margin of error in a survey?

It reflects the accuracy of the survey results. Signup and view all the answers

Which sampling technique aims to represent the view of a general population?

Stratified sampling Signup and view all the answers

What distinguishes non-probability sampling from probability sampling?

Non-probability sampling is used when a random selection is not possible. Signup and view all the answers

In which type of sampling technique are respondents intercepted and asked to complete a questionnaire?

Intercept sampling Signup and view all the answers

What distinguishes quota sampling from disproportionate stratified sampling?

The randomness of sample selection within each group. Signup and view all the answers