Do note that modern versions of iOS can still quit multitasking apps, you can learnhow to exit out of running apps in iOS 7 and 8 here with the assistance of a swipe upgesture from the multitask panel.
Finally, the final bonus was again forcet to be between 0 and bonusmax (USD 4). The mean reward earned by participants for this experiment was $4.16. Filtering criteria. We decided to discard participants using a fixed RT threshold based on independent pilot data we had collected earlier...