The following sentence contains a transitional word or phrase:

Question

Hypnosis likewise is another promising but unproven treatment.
Which revision correctly punctuates the sentence?

Hypnosis, likewise, is another promising but unproven treatment.

Hypnosis, likewise is another promising but unproven treatment.

Hypnosis; likewise is another promising but unproven treatment.

Hypnosis; likewise, is another promising but unproven treatment.

Answer 1

Hypnosis, likewise, is another promising but unproven treatment.