Supplementary Video 6: Helper Comparison
User Damian Scarf on YouTube,
This movie file shows a comparison between a Hamlin et al. (2007) help trial and one of our help trials. Any slight changes in…
Supplementary Video 5: Bounce-at-the-bottom condition
User Damian Scarf on YouTube,
This movie file shows the climber colliding with the hinderer and bouncing when it reaches the bottom of the hill. The…
Supplementary Video 1: No-bounce-at-the-top condition
User Damian Scarf on YouTube,
This movie shows the climber colliding with the helper and not bouncing when it reaches the top of the hill. The published…