What is the primary difference between primary data and secondary data?

Primary data is collected firsthand and is unique to the study, while secondary data has been collected and analyzed by others and may need modification for the current study.

Fill in the blank: Primary data is often considered ___ because it is collected directly from the source.

Unique

True or False: Secondary data is usually more expensive than primary data.

False: Secondary data is typically low-priced.

What are two common methods of data collection mentioned in the content?

Surveys and interviews.

Riddle: I am collected firsthand and I am unique, but I can be costly. What am I?

Primary data.

Fill in the blank: Secondary data requires ___ to satisfy the aim of the study at hand.

Modification

What role does data collection play in decision-making and problem-solving?

Data collection provides the necessary information for analysis, which is crucial for informed decision-making and effective problem-solving.

What is the primary objective of conducting a survey?

To gather data and describe characteristics such as cost, worth, utility, reputation, honesty, and loyalty.

Surveys typically gather data through ___ and ___ methods.

Questionnaires and interviews.

True or False: A well-structured questionnaire should include lengthy questions to ensure comprehensive responses.

False. A questionnaire should not be lengthy to maintain respondent engagement.

Fill in the blank: Questions in a survey should not use ___ negatives to avoid confusion.

Binary.

What are two key considerations when preparing a questionnaire for a survey?

Questions should be clear and should not lead respondents to a specific answer.

Riddle: I gather information without speaking, my format is often writing. What am I?

A questionnaire.

What are the three main methods of data collection mentioned in the content?

Personal interviews, mailing (questionnaire) surveys, and telephone interviews.

True or False: Personal interviews are the least expensive method of data collection.

False. Personal interviews are the most expensive method.

Mailing questionnaires are best suited for ___ questions due to the anonymity they provide.

Sensitive

Riddle: I am the method that allows no influence on respondents and is best for reaching remote areas. What am I?

Mailing questionnaires.

What is a significant disadvantage of using mailing questionnaires for data collection?

It cannot be used by illiterates and has a long response time.

Fill in the blank: Telephone interviews have a relatively high response rate due to ___ costs compared to personal interviews.

Lower

What is a primary advantage of personal interviews compared to other data collection methods?

They allow for the use of all types of questions and clarification of ambiguous questions.

What is the primary purpose of conducting a pilot survey before the main survey?

To pretest the questionnaire, identify lapses and drawbacks, and assess the appropriateness of questions and the administration of enumerators.

Census surveys involve ___ of the population, while sample surveys involve ___ of the population.

Every individual unit; a section of the population

True or False: A sample survey is generally more time-consuming and expensive than a census survey.

False. A sample survey is usually quicker and less costly than a census survey.