World wide web of instruction sets:

Selber, S. A. (2010). A rhetoric of electronic instruction setsTechnical Communication Quarterly, 19(2), 95-117.

More similar than you would think:

Paradis, J. (1991). Text and action: the operator’s manual in context and in courtUniversity of Wisconsin Press. 256-278.

The answer is video:

Van der Meij, H. (2013). Eight guidelines for the design of instructional videos for software trainingTechnical Communication, 60(3), 205-228.

What do you think?:

Mackiewicz, J. (2009). Assertions of Expertise in online product reviewsJournal of Business and Technical Communication, 24(1), 3-28.

What we cannot ignore:

Todd, J. (2014). Avoiding litigation for product instructions and warningsJ. Technical Writing and Communication, 44(4), 401-421.