h sentence was surrounded by extra space so it ‘stood out’ more clearly), or even spacing (the total amount on each line was the same as that for phrase spacing, but it was distributed evenly along the line). Each participant read several different passages, all in the same font. The data is presented below and represents the percentage of questions answered correctly. Is there evidence of a difference in the mean percentage of correct questions between the three different spacings? Use α = 0.05. This is an F distribution Phrase Normal Even 79 80 41 92 56 37 66 60 29 76 62 57 88 68 71 67 53 66 72 83 43
Below are data from an experiment similar to that reported by Jandreau & Bever (1992). Participants were asked to read a passage in one of three different formats and then to answer questions about what they had read. A passage could be printed with normal spacing (the default), phrase spacing (each phrase in each sentence was surrounded by extra space so it ‘stood out’ more clearly), or even spacing (the total amount on each line was the same as that for phrase spacing, but it was distributed evenly along the line). Each participant read several different passages, all in the same font. The data is presented below and represents the percentage of questions answered correctly. Is there evidence of a difference in the mean percentage of correct questions between the three different spacings? Use α = 0.05.
This is an F distribution
| Phrase | Normal | Even |
| 79 | 80 | 41 |
| 92 | 56 | 37 |
| 66 | 60 | 29 |
| 76 | 62 | 57 |
| 88 | 68 | 71 |
| 67 | 53 | 66 |
| 72 | 83 | 43 |
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