a small scale trial run of an experiment before conducting the real one
what is the procedure?
similer pp to those in actual study( 3-5) 2. pilot everything in study 3. don't worry about the data the study isn't to test the results 4. get feedback from pilots
why are pilot studies useful ?
check the design and method will work , check timings and instructions, identify any problems, changes can be made to reduce errors and make sure it runs smoothly