A study determined if teachers discriminated among three different types of direct supervisory communication--information only, information with suggestions, and information with directives--in instructional improvement conferences. Thirty inservice teachers were assigned to three experimental groups and viewed videotapes which simulated supervisory conferences. Each conference differed according to degree of informational versus controlling language. Teacher perceptions of the degree to which the supervisor's behavior indicated supportiveness, authenticity, loyalty, trust, and productivity were measured after each conference. Teachers rated highest the conferences in which the supervisor communicated information with suggestions, rated next, conferences in which the supervisor communicated information only, and lowest the conferences in which the supervisor communicated information with directives. In analyzing these results, it is suggested that information with suggestions provides the teacher with a guide for accepting, revising, or rejecting the supervisor's offered choice, and that there may be a limit to the amount of choice individuals desire. Suggestions are made for further research. (Author/JD)