Which of the following research situations would be most likely to use an independent-measures design?   examine the development of vocabulary as a group of children mature from age 2 to age 3 examine the long-term effectiveness of a stop-smoking treatment by interviewing individuals 2 months and 6 months after the treatment ends compare the mathematics skills for 9th-grade boys relative to 9th-grade girls compare the blood-pressure readings before medication and after medication for a group of patients with high blood pressure

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 22PFA
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Which of the following research situations would be most likely to use an independent-measures design?  

    1. examine the development of vocabulary as a group of children mature from age 2 to age 3
    2. examine the long-term effectiveness of a stop-smoking treatment by interviewing individuals 2 months and 6 months after the treatment ends
    3. compare the mathematics skills for 9th-grade boys relative to 9th-grade girls
    4. compare the blood-pressure readings before medication and after medication for a group of patients with high blood pressure

 

 

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