Multiple Choice
Jace is interested in examining whether productivity is improved when people wear noise-cancelling headphones. To test his hypothesis he decides to bring people into a research laboratory and have them complete an anagram task while either wearing noise-cancelling headphones or not. Jace can _____ the independence and _____ the control of his study by conducting participants one at a time.
A) decrease; increase
B) increase; increase
C) decrease; decrease
D) increase; decrease
Correct Answer:
Verified
Correct Answer:
Verified
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