Which of the following is an example of a one-way repeated-measures research design?

a. Twenty rugby league players volunteered for a resistance training study.A one-repetition bench press was measured before the training began, at week 3 and then again in week 6 to evaluate strength gains.

b. Twenty rugby league players volunteered for a strength training study.Ten players were randomly allocated to a resistance training programme and ten randomly allocated to a plyometric training group.A one-repetition bench press was measured before the training began, at week 3 and then again in week 6 to evaluate strength gains from each method of training.

c. Twenty rugby league players volunteered for a strength training study.Ten players were randomly allocated to a resistance training programme and ten randomly allocated to a plyometric training group.A one-repetition bench press was measured at the end of the 6 weeks to evaluate strength gains from each method of training.

d.None of the descriptions are appropriate for a one-way repeated-measures research design.