A severely clouded lens causes which chronic eye condition?

A labor coach or companion

A) attends the childbirth preparation classes with the expectant mother. B) delivers the baby and cuts the umbilical cord. C) is responsible for monitoring the woman's pain and delivering drugs as needed. D) is usually the doctor.

The reactance or reactivity effect refers to

A) the data gathered from an extended case study B) the loss of data due to an error in recording C) the reactions of the participants when they know they are being observed D) the experimenter's personal reaction to archival data