A Test Has a Standard Deviation of 4 and a Reliability

question 79

Multiple Choice

A test has a standard deviation of 4 and a reliability of .91.What is the standard error of measurement?

• A) 1.20
• B) 1.82
• C) 3.64
• D) 3.82

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Definitions:

16 to 18 Months

A stage in early childhood development characterized by rapid growth in language and physical skills, as well as the beginnings of autonomy.

24 to 28 Months Old

A developmental age range in toddlers marked by significant growth in motor skills, language acquisition, and independence.

9 to10 Months Old

A developmental age range in infants characterized by major milestones such as improved mobility, babbling, beginning of object permanence understanding, and anxiety around strangers.

4 to 6 Months Old

A developmental stage in infants characterized by significant growth, the beginning of solid food introduction, and emerging motor skills like rolling.