Multiple Choice
A researcher becomes aware that the judges he is using to make observations are becoming more proficient at their task. This improvement among the judges might suggest that __________ represents a potential threat to the internal validity of the study.
A) instrumentation
B) history
C) maturation
D) selection
Correct Answer:
Verified
Correct Answer:
Verified
Q34: Describe the three criteria for establishing efficient
Q35: What is the good subject effect? How
Q36: While conducting a year-long study on friendship
Q37: Because he is limited in the number
Q38: By establishing that the independent variable and
Q40: In order to avoid bias in how
Q41: The observation that sometimes subjects are extremely
Q42: What is a quasi-control subject? How can
Q43: What is an artifact? Why are artifacts
Q44: Experimental designs that expose subjects to only