Question

please tell me if I am correct: a data collection method could be a face to face interview or an observation and a data collection instruments are summary report forms, questionaries, and behavioral diaries?
Also could you explain to me what managerial research is?

Writeacher
Yes, all the ways you listed are legitimate ways to collect data.

http://www.answers.com/search?q=managerial+research
There are many definitions and explanations here. Be sure to read many!