In summary, research strategies are broad categories that classify
research according to the type of question the research study addresses.
Research designs are general categories that classify research according to
how the study is conducted. Notice that several different research studies
can all have the same strategy and different studies can all share the same
design. Research procedures, on the other hand, are unique to the specific
study being considered. Occasionally, a researcher deliberately copies the
procedures from another study. This kind of direct replication is relatively
rare and usually is done only when there is some doubt that the two “identical”
studies will produce the same results. Normally, each study has its own
unique procedures