Telephone Interviews Offer

question 7

Multiple Choice

Telephone interviews offer:

• A) speed in gathering data
• B) a potential for reaching all households
• C) few nonresponses
• D) the ability to collect large amounts of complex data
• E) the lowest-cost method for obtaining data

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Definitions:

Significance Level

The probability of rejecting the null hypothesis when it is actually true, used in hypothesis testing as a threshold for determining statistical significance.

Significance Testing

A statistical method used to determine if the relationship between variables is due to chance or is statistically significant.

T-Test

A statistical analysis designed to evaluate whether the average values of two groups differ significantly.

Degrees of Freedom

The number of values in a calculation that are free to vary without violating any constraints.