In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Job performance is ___(1)___ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship between motivation and performance. The higher the levels of ability and motivation the ___(2)___ the level of performance will be. However, increasing motivation beyond an ___(3)___ level tends to ___(4)___ a dysfunctional result because it is __(5)____ by an increased level of anxiety.