Physics, 18.03.2020 04:20 aprilreneeclaroxob0c

Validity is .a. concerned with the relationships of random error with systematic error. b. equal to the true score plus the systematic error. c. equal to the true score plus systematic error minus random error. d. concerned with the extent to which differences in scores reflect true differences in the characteristic. e. concerned with the extent to which differences in scores reflect instability in the measurements.

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Validity is .a. concerned with the relationships of random error with systematic error. b. equal to...