One way to ensure that participants understand an instruction is to: a.            Include “warm-up” trials b.            Have terse and succinct instructions c.             Ask participants to relax...

One way to ensure that participants understand an instruction is to:

a.            Include “warm-up” trials

b.            Have terse and succinct instructions

c.             Ask participants to relax and enjoy the test

d.            Provide a choice of operations

e.            Tell participants to guess when they do not have the answer