Strength And Muscular Adaptations Following 6 Weeks Of Rest-... : The Journal of Strength & Conditioning Researchjournals.lww.com
Rest-pause method more effective. Also faster, most likely.
"In conclusion, resistance training performed with the rest-pause method resulted in similar gains in muscle strength as traditional multiple-set training. However, the rest-pause method resulted in greater gains in localized muscular endurance and hypertrophy for the thigh musculature."