According to Dobson and Hamilton (2002), What Should Effectiveness Researchers

question 154

Multiple Choice

According to Dobson and Hamilton (2002) , what should effectiveness researchers try to maximize in their studies?

• A)Internal validity correct answer
• B)External validity correct answer
• C)Ecological validity
• D)Experimental validity

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Definitions:

Median

The middle value in a sorted list of numbers, or the average of the two middle numbers when the list has an even number of entries.

Standard Deviation

An approach to quantifying how much a group of numbers disperses or varies from each other.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the number of values.

Median

The median is the middle value in a list of numbers sorted in ascending or descending order, splitting the dataset into two halves.