The following video walks you through a lesson of analyzing Morning Song, offering interpretive questions about the title, speaker, tone, and more that can help lead you to analysis.  Start at approximately 1:07 (as the initial minute references a previous lesson).

The student analysis of Daddy in the video below starts at approximately 3:17.

Sylvia Plath reads her poem Daddy in the following video.

This video offers an analysis of Child, in terms of themes, symbols, and more.

The site American Passages: A Literary Survey, includes brief background on Sylvia Plath. Open up the Author Questions on the page and refer to questions one and three to spark analytical thinking about Morning Song and Daddy.

You may be interested in reading a critique of Plath’s poetry published in a literary journal:
Uroff, M. D. “Sylvia Plath and Confessional Poetry: A Reconsideration.” Iowa Review 8 (1977): 104-115.