Crossword Genius

As an experiment, attempt to get away (3-3)

Ross

I believe the answer is:

try-out

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'as an experiment' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'attempt to get away' is the wordplay.
'attempt to' becomes 'try' (I've seen this in other clues).
'get' says to put letters next to each other.
'away' becomes 'out' (similar in meaning).
'try'+'out'='TRY-OUT'

Can you help me to learn more?

(Another definition for try-out that I've seen is " Test performance".)

I've seen this clue in the Evening Standard.
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