3.2.1 pilot studies

Question 1

what is a pilot study used for

Answer 1

helping plan procedures, assess validity and check techniques

Question 2

what does the use of a pilot study allow

Answer 2

evaluation and modification of experimental design
it also allows the investigator to establish the number of repeat experiments required to give a representative value for each independent datum point

Question 3

what can the use of a pilot study ensure is obtained

Answer 3

an appropriate range of values for the independent variable