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A Message About Tooth Brushing from a Dentist Is More

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A message about tooth brushing from a dentist is more persuading than the same message from a student who has done a project on dental hygiene. This reflects the credibility of the communicator through


Definitions:

Examination Scores

Quantitative measures that represent an individual's level of performance or achievement on a standardized test or examination.

Frequency Distribution

A summary of how often different values occur within a data set, usually presented in table or graph form.

Cumulative Frequency

The total of a frequency and all frequencies so far in a frequency distribution.

Relative Frequency

The ratio of the number of times a particular value occurs to the total number of occurrences.

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