Ka-ching! ($.$)

Economics Decision-making Experiment = £11.80

Sleep Deprivation Study = £60

Emotions and Social Behavior Study = £3 (and a £20 raffle ticket)

Psychology Decision-making Experiment = £4.80

Perception Experiment = £4

Emotion Study = £6

Mental Health Study Part 1 = £4

Mental Health Study Part 2 = £10 (and a £45 raffle ticket)

Vocabulary Study = £3

Shoulder Immobiliser Study = £50

Being a guinea pig is turning out to be good money ;)