The rods contain a light-sensitive visual pigment that is important for night vision and is called

In the Peterson and Peterson experiment all BUT which of the following are true?

A) research participants read five letter CVC's B) percent recall was used as the dependent measure C) research participants counted backwards by threes to prevent rehearsal D) research participants were to recall the letter clusters E) all of the above are true of the Peterson and Peterson experiment

A repeated-measures research study comparing two treatments with a set of 10 scores in each treatment will produce a t statistic with df = 18

Indicate whether the statement is true or false