George has been having a streak of unusually bad luck. He totaled his car in a snowstorm last week, then fell on the ice and broke his leg. Two days later his wife left him, saying she was no longer willing to put up with his "little infidelities." Then just yesterday, he was fired from his job as a computer programmer because his program error rates were consistently too high and he missed too many deadlines. He began to regret ignoring his mother's advice to throw a pinch of salt over his left shoulder after he spilled that salt last month.
Identify the hypothesis in the following argument; and, if it fails to meet the four criteria for good scientific hypotheses, state which criterion is violated, and explain your answer.
Hypothesis: Spilling salt and not throwing any over his left shoulder caused George's bad luck. The hypothesis is unnecessarily complicated and not liable to empirical testing.
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