certain methodological problems appeared again and again in the studies that Boot and Blakely 14) _____________________. Even more important than identifying flaws of previous studies, Blakely said, their new paper outlines a series of best practices for researchers who want definitive answers on the potential benefits of video game play.
Boot and Blakely haven't entirely written off video games as a way to boost perceptual and cognitive abilities; in fact, they're still open to the possibility. But before they start recommending video game interventions as a means to improve perception and cognition for kids, adults and senior citizens, they say more 15) ________________ is necessary.