We have usually no knowledge that any one factor will exert its effects independently of all others that can be varied, or that its effects are particularly simply related to variations in these other factors. — Ronald Fisher Copy Share Image
The more highly adapted an organism becomes, the less adaptable it is to any new change. — Ronald Fisher Copy Share Image
[Coining the phrase "test of significance"] Critical tests of this kind may be called tests of significance, and when such tests are available we… — Ronald Fisher Copy Share Image
We can set no limit to human potentialities; all that is best in man can be bettered; it is not a question of producing… — Ronald Fisher Copy Share Image
If ... we choose a group of social phenomena with no antecedent knowledge of the causation or absence of causation among them, then the… — Ronald Fisher Copy Share Image
The statistician cannot evade the responsibility for understanding the process he applies or recommends. — Ronald Fisher Copy Share Image
Modern statisticians are familiar with the notion that any finite body of data contains only a limited amount of information on any point under examination; that this limit is set by the nature of the data themselves, and cannot be increased by any amount of ingenuity expended in their statistical examination: that the statistician's task, in fact, is limited to… — Ronald Fisher Copy Share
The academic mind, as we know, is sometimes capable of assuming an aggressive attitude. The official mind, on the contrary, is and has to… — Ronald Fisher Copy Share Image
However, perhaps the main point is that you are under no obligation to analyse variance into its parts if it does not come apart… — Ronald Fisher Copy Share Image
... no scientific worker has a fixed level of significance at which from year to year, and in all circumstances, he rejects hypotheses; he… — Ronald Fisher Copy Share Image
The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic. — Ronald Fisher Copy Share Image
The best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the… — Ronald Fisher Copy Share Image
If one in twenty does not seem high enough odds, we may, if we prefer it, draw the line at one in fifty (the 2 per cent. point), or one in a hundred (the 1 per cent. point). Personally, the writer prefers to set a low standard of significance at the 5 per cent. point, and ignore entirely all results… — Ronald Fisher Copy Share
![“[Coining the phrase "test of significance"] Critical tests of this kind may be called tests of significance, and when such tests are available we may discover whether a second sample is or is not significantly different from the first.” quote by Ronald Fisher](https://sms4smile.com/quotes/img-quotes/ddb/ronald-fisher-14852_available_coining-the-phrase-test-of-significance_46951.jpg)
