Agood titte should a' incrude terms such as a study of or an experimentar tnvestigation of. b. include abbreviations to keep it concise. c. be fully explanatory when standing alone. d. b and c

c. be full explanatory when standing alone      

Explanation:

A good title is an important element in any research study or paper. It gives the overview of the entire description to the reader. It provides the content of the description in a very efficient way.

A good title should be interesting and should interest the reader. Good title  should itself fully explained the content of the paper alone. A well written title  provides the main idea of the paper and it also impresses the reader.

Hence the correct option is -- option (c)

answer; postconventional;