NAME Problem 2 (25 points) is the degree of relationship between an instrument and the construct it is intended to measure. is the consistency with which an instrument assesses a given construct (5 points). a. reliability; validity b. validity; reliability c. internal validity; external validity d. external validity; internal validity e. not enough information 2. A observed response pattern on any measurement scale is a combination of person's true score and error. In the context of this equation "error" refers to (5 points): a. random error b. systematic error c. sampling error d. combination of a and b e. combination of a, b, and c none of the above 3. Discuss some of the different ways that systematic vs. nonsystematic error can affect the outcome of a study (10 points)