| Hu Chunyan,Hu Liangping,How to use analysis of variance correctly——an analysis of variance for the univariate quantitative data collected from the randomized complete block design[J].SICHUAN MENTAL HEALTH,2022,35(2):97-102 |
| How to use analysis of variance correctly——an analysis of variance for the univariate quantitative data collected from the randomized complete block design |
DOI：10.11886/scjsws20220310001 |
| English keywords:Analysis of variance F test Quantitative data Design type Randomized block design Interaction |
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| The purpose of this paper was to introduce the model， calculation formulas and the SAS implementation of the univariate analysis of variance for the quantitative data with randomized complete block design. In the calculation， two test statistics were involved， namely FA and FB. Among them， the subscript "A" represented the experimental factor， and the subscript "B" represented the block factor （i.e.， the important non-experimental factor）. In general， it was assumed that there was no or negligible interaction between the two factors in a randomized block design， so there was no need to assess whether the interaction term was statistically significant. Therefore， it was not necessary to do repeated experiments under each combination of two factors. With the help of SAS software， this paper conducted the analysis of variance for the quantitative data with randomized complete block design for two instances without and with repeated experiments， gave the calculation results， and made the statistical and professional conclusions. |
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