Reveal mode can be used to hide output until the test conclusion.
Reveal Mode
Reveal mode hides output during a test and then reveals the words used at the conclusion of the test.
Reveal mode can be used to practice copying in your head, with no transcription via the keyboard.
reveal command
An example of using the reveal command follows:
cw do
wpm 20
no_longer_than 5
word_count 16
reveal
end