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• Internal consistency reliability coefficient= .92
  • It's the coefficient that shows how closely related the items on the test (THING) are to each other and how consistent they are.
  • The coefficient being .92 is high so it shows that the items are very related and suggests internal reliability.
• Alternate forms reliability coefficient = .82
  • It's the coefficient that shows the reliability of different forms of the test (THING) that are meant to show the same concept.
  • .82 is still a high value so that shows that THING 1 and THING 2 are pretty consistent to each other. Although not as high as the internal, it is still a good level of reliability.
• Test-Retest Reliability Coefficient = .50
  • This shows the steadiness of test scores over time when retesting the same persons.
  • This coefficient is lower and there might be some concerns with the strength of the test over time. It indicates that when the same persons are retested on the THING test, the scores are not consistent over time.

Synthesize:

• The test could be useful for single or one-time assessments but for individuals or times when stability and consistency is needed overtime this test is probably not the best (Cohen, 2022). This is because the test-retest reliability is low but the THING internally is high as well as decently consistent between the alternate forms.

Acceptable vs. not:

• This test could be used as practice or research purposes or when the random errors are in flux as the test-retest is low, but I could not recommend this test for clinical purposes or more critical uses (Cohen, 2022). There is just not enough stability.