The Best Way to Improve the Response Rate of Mail

question 34

Multiple Choice

The best way to improve the response rate of mail interviews is to

• A)offer an incentive
• B)pre-notify people of the survey
• C)use colored questionnaires
• D)use first class mail
• E)none of the above

Analyze the effect of public service announcements on audience response through experimental data.

Grasp the concept of re-expression of data to better understand the relationship between variables.

Understand the importance of considering lurking variables in interpreting correlations, especially in societal and economic contexts.

Analyze data involving human performance or behavior under different conditions.

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Definitions:

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.

Finite Population Correction

An adjustment made to the standard formula for calculating sample size and variance when the sample size is a significant fraction of the total population.

Non-normal Probability Distribution

Describes a distribution of data that does not follow the normal distribution pattern, showing skewness or kurtosis different from a bell-shaped curve.

Central Limit Theorem

A fundamental statistical theory stating that, given a sufficiently large sample size from a population with a finite level of variance, the mean of all samples from the same population will be approximately equal to the mean of the population.