Testing and Evaluation in Psychological Research

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Table of Contents

Introduction
Discussion
Conclusion
References

Introduction

Testing and evaluation are expected in psychological research, and their validity and reliability are essential (Aldridge, Dovey, & Wade, 2017). The accuracy, applicability, consistency, standardization, and absence of bias in these tests should be important to all researchers (Aldridge, Dovey, & Wade, 2017). Consistency is required for an evaluation instrument to be deemed credible. The constancy of the measuring instrument, the accuracy that the test measures, and the degree to which measurement error is present are all factors in the reliability criteria. When a test measures the same object within the same circumstances, we want to know if it consistently produces the exact quantitative measurement and results within its frame (Cohen & Swerdlik, 2018). As a result, the test must yield the same outcome each time it attempts to measure the same thing in precisely the same conditions. Although dependability is crucial, it is not the sole component of a practical test. The validity of a psychometrics exam is also crucial. A test is deemed legitimate if it measures what it claims to measure.

Discussion

The phrase “a test is valid” has several different connotations. In Cherry’s opinion (2021), a test is deemed legitimate if it achieves its stated objectives and research question. A test must be legitimate to interpret and utilize the findings correctly. However, it is crucial to take into account factors besides authenticity. A test also has to be trustworthy. The testing must be reliable to be consistent. A test may be valid at one location and time with a particular population of examinees and invalid at a different location and time with a different population of test takers. For example, cross-culturally, measurements of grief can show to be very different on a test than a measurement of grief here in the United States. It is essential to understand the context and population one is measuring using a psychometrics test.

The validity, however, can occasionally be inaccurate because the assessment may regularly measure the wrong notion. Depending on the situation, validity may be objective or subjective; nevertheless, psychological testing frequently uses absolute validity since it compares two data sets using the same measures. Researchers can be assured that the scores accurately reflect the estimate or assumption when an assessment or measuring instrument has high reliability and validity. Nevertheless, a test can be valid in one situation, but invalid in another, and a measure might be dependable but not valid (Cohen et al., 2021). This may occur if the measurement tool measures the right concept but not in reliable trials.

Conclusion

A test may appear legitimate in one setting with one set of test-takers, but it may not be in another with a different set of test-takers. Cross-cultural studies of sorrow provide one illustration of this. Even if the same inquiries and measures are used worldwide, the test will not yield the same results, rendering it invalid or inconclusive. When performing a psychometric test in psychology, it is crucial to comprehend the situation and target audience being assessed.

References

Aldridge, V. K., Dovey, T. M., & Wade, A. (2017). Assessing test-retest reliability of psychological measures: Persistent methodological problems. European Psychologist, 22(4), 207–218. doi:10.1027/1016-9040/a000298

Cherry, K. M., Hoeven, E. V., Patterson, T. S., & Lumley, M. N. (2021). Defining and measuring “psychological flexibility”: A narrative scoping review of diverse flexibility and rigidity constructs and perspectives.Clinical Psychology Review, p. 84, 101973.

Cohen, R. J., Schneider, W. J., & Tobin, R. (2021). Psychological testing and assessment(10thed.). McGraw-Hill Education.

Cohen, R. J. & Swerdlik, M. E. (2018). Psychological testing and assessment: An introduction to tests and measurements. New York, NY: McGraw-Hill Education.

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Testing and Evaluation in Psychological Research

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