a small scale study (trial run) conducted on a small sample.
pilot studies aim to test all aspects of the study including:
planned procedures
identify any flaws
clarify standardisation of instructions for participants
check all materials that will be used
pilot studies aims to find flaws and improve them them before time and money are invested in carrying out a large study
important to have pilot studies because:
test all aspects to ensure the study will run smoothly and to identify any flaws or variables that may effect the validity. check the standardisation of instructions (experimenter bias).