“Studies 1, 2, and 3 provide compelling empirical evidence that the provision of extensive choices, though initially appealing to choice-makers, may nonetheless undermine choosers’ subsequent satisfaction and motivation...Indeed, participants in the extensive-choice condition reported experiencing the decision-making process as being simultaneously more enjoyable, more difficult, and more frustrating. (p.1003)

Iyengar, S. S., & Lepper, R. (2000). When choice is demotivating: Can one desire too much of a good thing? Journal of Personality and Social Psychology, 79(6), 995–1006. doi:10.1037/0022-3514.79.6.995