SPCE 630 exam 2023/2024 with 100% correct answers

What are the 3 indicators of "trustworthy" measurement? - correct answer Validity, accuracy, and reliability. Describe validity in terms of one of the 3 indicators of "trustworthy" measurement. What does it measure? - correct answer Requires 3 equally important elements: (a) measuring directly a socially significant target behavior, (b) measuring a dimension of the target behavior relevant to the question or concern about the behavior and (c) ensuring that the data are representative of the behavior's occurrence under conditions and during times that are most relevant to the question or concern about the behavior. Describe accuracy in terms of one of the 3 indicators of "trustworthy" measurement. What does it measure? - correct answer Refers to the extent to which the observed value matches the true state or true value of the event as it exists in nature. It must be determined if there is a measurement bias. Describe reliability in terms of one of the 3 indicators of "trustworthy" measurement. What does it measure? - correct answer When measuring a procedure yields the same outcome each time. It measures consistency of data collection. How do we ensure our data are valid, accurate, and reliable? - correct answer Researchers and practitioners who asses the accuracy of their data can (a) determine early in an analysis whether the data re usable for making experimental or treatment decisions, (b) discover and correct measurement errors, (c) detect consistent patterns of measurement error that can lead to the overall improvement or calibration of the measurement system, and (d) communicate to others the relative trustworthiness of the data. What are some procedures that provide direct and indirect measurement? - correct answer Direct observation is an example of direct measurement and questionnaires filled out by parents is an example of indirect measurement. Descri