Which of the following is not a property of measurement scales? ...

[TVarnum]

Which of the following is not a property of measurement scales?
 
  a. difference
  b. magnitude of attributes
  c. subjective equality
  d. equal intervals

Question 2

A researcher is evaluating the changes in performance that occur during a six-week training program. Participants are observed at the beginning and at the end of the program and the researcher rates each individual's level of performance. When the researcher's standards for rating performance change from the first observation to the last, then the internal validity of the study is threatened by ____.
 
  a. history
 b. instrumentation
 c. maturation
 d. statistical regression

[nguyenhoanhat]

Answer to Question 1

C

Answer to Question 2

b

[TVarnum]

TYSM

[Liamb2179]

Gracias!