Please answer correctly nobody answers questions like this on BTW ITS STEM. Which of the following choices describes an accurate relationship?

Descriptive research typically follows from explanatory research

Experimental research may lead to understanding descriptive research

Case study research typically follows from descriptive research

Observational research may lead to understanding explanatory research

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later