Business Finance
ED 601 Concordia University Portland Validity and Reliability Discussion

ED 601

Concordia University Portland

ED

Question Description

I need an explanation for this Management question to help me study.

Validity and Reliability

Instruments are tools researchers use to collect data. They are also known as “tests.” In reference to instruments, validity is about the instrument itself, that is, “Is the test measuring what it is supposed to measure?” Reliability means, “Are the results of the test consistent over time?”

Based on this week’s required studies, answer the following questions:

  • How do validity and reliability help to ascertain the quality of a piece of research?
  • When presented with a set of student assessment data from standardized testing, what criteria would you look for to ascertain the qualities of validity and reliability of the data?
  • What is most important, the validity or the reliability of an assessment in your daily practice? Explain.

Support your statements with evidence from the required studies and your research. Cite and reference your sources in APA style.


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Running head: VALIDITY AND RELIABILITY

Validity and Reliability
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VALIDITY AND RELIABILITY

2

Ascertaining Quality of Research Material based on Validity and Reliability
Validity and reliability serve as the key indicators of the quality of research materials.
They also depict the efficiency of the research process in meeting its goals and objectives.
Ordinarily, reliability offers an estimate of the consistency and stability of measurement
instruments used in research. Thus, the reliability of data and information obtained from research
is manifested through inter-rater reliability, internal consistency reliability, and test-retest
reliability (Shank, Pringle & Brown, 2018). Time-retest reliabili...

ProfHenryM (16642)
Carnegie Mellon University

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