ABX Double Blind Test Results: Tape Decks
SMWTMS ABX Test Results
| Tape Deck Comparison | Result | Correct | p less than | Listeners |
|---|---|---|---|---|
| Revox A77 vs. Nakamichi 700-II |  |
79 / 114 = 69% | 0.0005 | 8 |
|
The different symbol means it is unlikely the percent correct score occurred by chance and thus the null hypothesis was disproven, which substantiates a real difference in sound quality. |
 |
The same symbol means that it is likely the correct score occurred by chance, the null hypothesis is not rejected, which means no difference was found. It does remain possible a difference may be substantianted with further testing. |
Send questions or comments on the ABX Web Page to David Carlstrom.