Block Stacking Test

In everyday life, decisions often involve a balance between risk and reward. Using the Block Stacking test, it is possible to assay the subjects willingness to undergo risk. Just like a child’s game, the test consists of stacking up the blocks until the tower falls over. The higher the tower, the more likely it is to fall. The participant can cash in their stack by pressing the collect button on the left of the display. At that point the number of blocks in the stack is counted and reward points assigned. The test subject can then begin to build a new stack. If the stack collapses, the subject loses the opportunity to cash it in, and must start again. Since the number of tries is limited, the subject must always balance the reward of cashing in many blocks with the risk of building the stack too high and losing out.

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