As a part of his summer internship, Raymond, an 18-year-old psychology student, wanted to study the levels of marital unhappiness among professionally qualified women graduates. What is the likely...

As a part of his summer internship, Raymond, an 18-year-old psychology student, wanted to study the levels of marital unhappiness among professionally qualified women graduates. What is the likely experimenter effect?

a.            Experimenter knowledge

b.            Experimenter experience

c.             Experimenter expectancies

d.            Experimenter attributes

e.            Experimenter bias