If a Participant Has a Missing Value on an Item

question 9

Multiple Choice

If a participant has a missing value on an item that is part of a multi-item measure (such as 1 item not answered on a 20-item depression questionnaire) , the researcher might handle this by:

• A)substituting that person's average on the items that were completed
• B)substituting a similar person's score on that item
• C)substituting the total score on the questionnaire for that item
• D)all of the above are viable options

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Definitions:

Smallpox

A highly contagious viral disease characterized by fever, weakness, and skin eruptions, eradicated by vaccination by 1980.

Subsistence

The act or reality of sustaining or upholding oneself, particularly at the most basic level.

Domestication

The process by which humans modify the genetic traits of plants and animals to make them more useful and suited for human purposes, often leading to symbiotic relationships.

Irish Potato Famine

A period of mass starvation, disease, and emigration in Ireland between 1845 and 1849, caused by a potato disease that led to crop failure.