Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570



Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

Schmidt (1994) conducted a series of experiments examining the effects of humor on memory. In one study, participants were shown a list of sentences, of which half were humorous and half were non- humorous. A humorous example is, “If at first you don't succeed, you are probably not related to the boss." Other participants would see a non-humorous version of this sentence, such as “People who are related to the boss often succeed the very first time.”

Schmidt then measured the number of each type of sentence recalled by each participant. The following scores are similar to the results obtained in the study.

Number of Sentences Recalled
Humorous Sentences Nonhumorous Sentences
4 5 2 4 5 2 4 2
6 7 6 6 2 3 1 6
2 5 4 3 3 2 3 3
1 3 5 5 4 1 5 3

Calculate the mean number of sentences recalled for each of the two conditions. Do the data suggest that humor helps memory?

To determine

To Find: The mean of the two sentences recalled.

To check: The data suggest that humour helps memory.


Given info:

The two-sentences each of size 16 is provided in the question.


Software procedure:

Step-by-step procedure to obtain the X for both the sentences using the SPSS software:

  • Go to Variable View> Enter the name of the variable as Humorous, and Nonhumorous
  • Go to Data View>Enter the values of Humorous, and Nonhumorous
  • Choose Analyze > Descriptive Statistics> choose Descriptive.
  • Select Humorous, Nonhumorous and move it under variable(s)> Choose Options> Select Sum.
  • Choose Continue> choose OK.

Output using the SPSS software is given below:

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