In your study article from week one by Palvanen et al. (2014) on preventing falls and injuries, how did these researchers control for the different variables in the intervention group?
Palvanen, M., Kannus, P., Piirtola, M., Niemi, S., Parkkar, J., & Jarvinen, M. (2014). Effectiveness of the chaos falls clinic in preventing falls and injuries of home-dwelling older adults: A randomized controlled trial. Injury, 45(1), 265â€“271. doi: 10.1016/j.injury.2013.03.010