Hypothetical constructs are variables that are

Chorionic villus sampling ____________

a. is the safest of all prenatal testing techniques b. can be done as early as the third week of pregnancy c. is conducted with cells that are forming the umbilical cord d. is dangerous and is no longer conducted in the United States

Megan consistently tends to give all of her professors extremely positive teaching evaluations. Which rating error would best describe Megan's responses?

a. halo effect b. leniency bias c. central tendency bias d. acquiescent response set