One method for testing ESP used Zener cards, which were designed specifically for testing psychic powers. Each card shows one of five symbols (square, circle, star, waves, cross). The person being tested must predict the card before it is flipped over. Chance performance would produce 20% correct predictions. Use a binomial test to determine whether 27 correct predictions of 100 is significantly different from chance performance. Use a two-tailed test at .05.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
One method for testing ESP used Zener cards, which were designed specifically for testing psychic powers. Each card shows one of five symbols (square, circle, star, waves, cross). The person being tested must predict the card before it is flipped over. Chance performance would produce 20% correct predictions. Use a binomial test to determine whether 27 correct predictions of 100 is significantly different from chance performance. Use a two-tailed test at .05.
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