Experience the power of community-driven knowledge on IDNLearn.com. Discover comprehensive answers from knowledgeable members of our community, covering a wide range of topics to meet all your informational needs.

Which combination illustrates triangulation of both qualitative and quantitative data collection techniques?

Group of answer choices:
a) Observation and interview
b) Focus group and observation
c) Case study and experimental test results
d) Participation journal and open-ended survey