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Klaus wrote:Hi James,

you need to declare a GLOBAL in every script you use it!

This should do the trick:

Code: Select all

on mouseDown
   global showtime
   put the milliseconds - showtime into line whichline of field 1
   nextturn
end mouseDown

Best

Klaus

Klaus,

Thanks so much. Works great now.

James

Hello, I"m trying to build an app that will measure a user's response time by measuring how long after a button is clicked for it to become visible. The simplest solution is to have one button put the milliseconds * -1 into a field then hide the response button and show it after a random interval. O...