PSYC 2145 Lecture 23: 12/1/16
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Explain the difference between normative, descriptive, etc. Clicker question imagine that i give you . Now, imagine that i offer you that choice between the two following alternatives: A 50/50 chance of gaining either or . If a card has a vowel on one side, then it must have an even number on the other side. In order to test this rule you must turn over the a and the 7 card and only 4% of people chose this option. It is hard for people to understand that they need to turn over the 7 in order to attempt to falsify the rule. You do this by finding scenarios that would render the rule invalid. You don"t need to turn over the 6 or the j because it doesn"t matter what is on the other side of those cards. You cannot falsify the rule using those two cards. Failing to look for falsification in deductive reasoning:
