re 12Quiz on Sampling Methods

What is the primary purpose of sampling?

• To increase the sample size

• To analyze the entire population

• To get a representative portion of a population

• To eliminate bias in research

Which of the following is NOT an advantage of sampling?

• Requires a larger population

• More effective data collection

• Saves time and money

• More comprehensive information

What is a disadvantage of sampling?

• It requires less effort

• Results may be misleading if not designed correctly

• It is faster than studying the entire population

• It is always accurate

When is sampling advisable according to the text?

• When the population is less than 50

• When the population is equal to or more than 100

• When the population is exactly 100

• When the population is less than 100

What does the formula for determining sample size include?

• Only the population size

• Only the standard value

• Population size and sampling error

• Only the sample size

What is Restricted Random Sampling?

• A method with high potential for bias

• A method that uses only one stratum

• A compromise between systematic and stratified sampling

• A method that requires no planning

What is a characteristic of Stratified Random Sampling?

• It reduces the cost of collecting data

• It selects individuals randomly from the entire population

• It separates the population into overlapping groups

• It is less accurate than Simple Random Sampling

What is the main feature of Systematic Sampling?

• Dividing the population into clusters

• Choosing members at regular intervals

• Selecting members at random from the population

• Using only one sampling unit

What does Purposive Sampling involve?

• Selecting samples randomly

• Sampling the entire population

• Using a fixed number of samples

• Choosing samples based on their unique position

What is Incidental Sampling?

• Sampling based on specific criteria

• Sampling from a predetermined list

• Taking samples that are most available

• Using random selection methods