FOCUS ON THE RATIOCINATIONS OF DR SPEARMAN On the guilt of Prof Dyke for the murder of Justice Foote Observation: Professor Dyke had done something odd (irrational) on the Night of the murder - He violated the law of demand (everyone buys more at a lower price) - On every occasion except on the night of the murder he had availed of the cocktail hour - Yet when the price was zero (night of the murder) he drank less Hypothesis: something had disrupted his normal pattern of life - the only apparent change in the environment was the murder Hypothesis: Prof.
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