Five year old Ginny is more likely to: choose a desirable but delayed reinforcer over an immediate but desirable reinforcer if some other, behavior can be performed during the delay period. .

more; less; irrelevant

Explanation:

A reinforcer may be defined as something which increases the chance of a response or a specific behavior to occur. It can be either negative or positive.

In the context, for Ginny who is 5 year old, there is a high chance to choose a more desirable and delayed reinforcer but a less desirable reinforcer if some irrelevant behavior is performed in the delay period.

answer; /// i do believe the correct answer is ( a

i think it is the third one.