Jack wants to test if runners on his cross-country team improve with his new training regimen. He takes their times at the beginning of the season and again at the end of the season.
-Which of the following designs is Jack best illustrating?
A) One-shot case study
B) One-group pretest-posttest design
C) Pretest-posttest control group design
D) Time series design

Question

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The Answer of Jack wants to test if runners on his cross-country team improve with his new training regimen. He takes their times at the beginning of the season and again at the end of the season.
-Which of the following designs is Jack best illustrating?
A) One-shot case study
B) One-group pretest-posttest design
C) Pretest-posttest control group design
D) Time series design

Jack Wants to Test If Runners on His Cross-Country Team