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Topic 3 Short Answer Questions Worksheet
What does the term reliability mean in testing and assessment?
What does the term validity mean in testing and assessment?
Why is it important to have both validity and reliability?
In testing and assessment, what is norming?
Utilize your textbook to briefly explain each of the following concepts as they relate to
Scales of measurement:
Measures of central tendency:
Indices of variability:
Shapes and types of distribution:
PCN-523 Topic 3: Short Answer Questions
Directions: Provide short answers of 75- 150 words each for the following questions/statements.
Do not exceed 250 words for your response. Use the textbook and any other scholarly resources
to support your responses.
1. What does the term reliability mean in testing and assessment?
Reliability (Sullivan, 2011) is the ability of an assessment or test to consistently
produce dependable and stable test scores. A companion of assessment validity,
reliability as it refers to assessment evaluates the consistency of producing the same
results utilizing a specific assessment instrument. Reliability, as it refers to testing, is
consistent with test scores evaluates consistent results produced through the specific
assessment tool. Reliability refers to the accuracy and credibility of the assessment of
validity. An example of reliability is the consistency of an assessment or tool to produce
results that are dependable and accurate every time the assessment tool is utilized
2. What does the term validity mean in testing and assessment?
Validity assesses reliability while demonstrating the consistency of a test measure
accuracy. Validity in testing and assessment is the ability of a measurement to construct,
ascertain and assess a specific, achievable result. Validity is a test measure evaluating the
reliability of the assessment and consistency of resulting stable scores. The validity of
one or more assessment instruments evaluates the source of information in order to
effectively measure a specific variable or dependable. An example of validity is the
ability of the assessment tool to accurately measure the test or assessments purpose.
3. Why is it important to have both validity and reliability?
Validity and reliability (Haber, 2017, pp. 292-93) are important in order to
achieve confident results of a particular study.It is important to have validity and
reliability within the assessment or measure...