Answer:
This is a prepositional phrase where the adjective modifies the name. The preposition in that sentence is the word "for".
Janet Sobesky, a writer for a woman's magazine, offered several tips that can help you save time when cleaning around the house.
Step-by-step explanation:
Prepositional phrases are those that have prepositions in their structure. Prepositions are words like "in", "for", "at", "to", among others that aim to link two terms of the sentence that have a subordinate relationship between them.
In the case of the phrase shown above, we can say that it is a prepositional phrase where the adverb modifies a name. In this case, the preposition is the word "for", while "woman's magazine" modifies "write".