Subjects in a verbal learning study learned two equivalently difficult words to a criterion of one...

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  1. Subjects in a verbal learning study learned two equivalentlydifficult words to a criterion of one complete trial through thelist without error. In one condition, the subjects were tested witha vocal of the song “Tomorrow” from the musical Annie as backgroundmusic; in the other condition, the song and its loudness were thesame, but the music was an instrumental arrangement. The dependentvariable was trials to criterion. Conditions were counterbalancedso that half of the subjects had the instrumental condition firstand half had the vocal first. Were there differences in learningunder the two different conditions?

Subject                             Vocal                         Instrumental

           1                                 18                                           13

           2                                 13                                           9

           3                                 22                                           17

           4                                 9                                             13

           5                                 10                                          10

           6                                 18                                           14

           7                                 16                                           21

           8                                 18                                           11

           9                                 8                                             5

           10                               19                                           13

           11                               22                                           16

           12                               16                                           11

           13                               25                                           19

           14                               20                                           15

           15                               9                                             7

Independent variable/s:

Levels of independent variable/s:

Dependent variable/s:

Test to use:

Does the type of background music affect the number of trialsneeded to learn a list of words?

Value of YOUR test statistic (from your print-out):

p-value from test:

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Answer & Explanation Solved by verified expert
3.9 Ratings (806 Votes)
1 Both vocal and Instrumental are independentvariable2 Degrees of freedom of both the variablesaredf114 n11df214 n213 Dependent variable is    See Answer
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