In What Year Did All U

question 23

Multiple Choice

In what year did all U.S. states, including the District of Columbia, have a credentialing process (generally called licensure) for social workers?

• A) 1953
• B) 1983
• C) 1993
• D) 2003

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a given confidence level.

Sample Proportion

The fraction or percentage of the sample that represents a particular trait or characteristic of interest.

Null Hypothesis

A hypothesis that assumes no significant difference or effect exists between specified populations or variables.

Population Proportion

The fraction or percentage of a population that shares a particular characteristic or attribute.