Answer: E). Both b and d
Explanation:
Operant behaviour or conditioning which is also known as Instrumental conditioning is a type of learning process in which the strength of an organism or individuals behaviour is modified by punishment or reinforcement either positively or negatively.
Operant behavior is said to be "Voluntary" because the responses of the organism are under its control.
Yoga
Running
Hiking
Jogging
Walking
Biking
Swimming
CrossFit
In all of the cases that I've seen it is usually subtractive, but most of the time it depends on how old the child is.
