In a Study of Protein Breakfast Bars, Five Bars from Each

question 119

Short Answer

In a study of protein breakfast bars, five bars from each of three brands were tested to see if the mean amount of protein per bar differs among the brands. To select a critical F-statistic, the number of degrees of freedom for the denominator is _____.

---

Definitions:

CS Preexposure Effect

A phenomenon in classical conditioning where prior exposure to the conditioned stimulus without the unconditioned stimulus can inhibit the formation of a conditioned response.

Potentiation

Potentiation refers to the increase in strength of nerve impulses along pathways that have been used previously, either short-term or long-term.

Rescorla-Wagner Model

A mathematical model that describes how the strength of a stimulus in classical conditioning is a function of its association with the unconditioned stimulus.