A quick check to see how good you are at the 1-way between subjects ANOVA

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You would like to measure the effect of therapy type on happiness. You administer one group of students shock therapy for one week. You administer a second group of students art therapy for one week. You administer a third group of students music therapy for one week. Each student participates in only one condition of the experiment. After a week, you ask all students to rate how happy they are on a scale from 1 to 10 with 10 being the highest. The following are the results.  Happiness ratings for each participant are below.

 Condition 1: Shock Therapy Condition 2: Art Therapy Condition 3: Music Therapy Participant 1 = 7 Participant 2 = 10 Participant 3 = 9 Participant 4 = 8 Participant 5 = 9 Participant 6 = 10 Participant 7 = 10 Participant 8 = 9 Participant 9 = 8 Participant 10 = 10 Participant 1 = 3 Participant 2 = 4 Participant 3 = 4 Participant 4 = 5 Participant 5 = 3 Participant 6 = 4 Participant 7 = 4 Participant 8 = 5 Participant 9 = 5 Participant 10 = 4 Participant 1 = 3 Participant 2 = 3 Participant 3 = 5 Participant 4 = 5 Participant 5 = 4 Participant 6 = 4 Participant 7 = 5 Participant 8 = 5 Participant 9 = 3 Participant 10 = 5

1. Conduct a 1-Way Between Subjects ANOVA in SPSS.

2. Based on your experimental design, report the type of test used and what it was used to test by filling in the blanks of the following sentence.

“A _________________________ was conducted to compare __________________ in

_______________,  ________________ and _________________ conditions.”

3. Fill in the blanks of the following sentence and circle significant or not significant.

“There was a significant (not a significant) difference at the p<.05 level in __________

scores for the three conditions [F(______, ______) = ______, p = ______]. Post hoc

comparisons using the __________ test indicated that___________________________

_______________________________________________________________________

_______________________________________________________________________”

4. Write a sentence that states what your results mean in terms of your experiment – in words that an inexperienced scientific reader could understand.

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