Answer: expectancy, instrumentality and valence
Step-by-step explanation: These three elements can be explained as follows :-
1. Expectancy refers to the probability that the activity one is going to perform will eventually lead to good performance.
2. The belief that there is a connection between the activity be performed and the goal that is one willing to achieving is called instrumentality.
3. The degree to which the potential reward from success are valued is called valence.