A researcher who conducts a study more than once in an attempt to produce similar results is ...

A researcher who conducts a study more than once in an attempt to produce similar results is concerned with validity.
 
  Indicate whether the statement is true or false

Ques. 2

________ advanced the most widely recognized cognitive development theory. His theory consisted of 4 sequential stages (sensorimotor, preoperational, concrete operational, formal operational).
 
  A) Sigmund Freud
   B) Jean Piaget
   C) Erik Erikson
   D) B.F. Skinner

Ques. 3

Coleman and Ganong found that there were __________ differences between spouses in first marriages and those in remarriages.
 
  (a) dramatic
  (b) slight
  (c) very few
   (d) no

Ques. 4

Master status refers to the
 
  (a) person who controls the relationship.
  (b) most powerful position in a society.
  (c) most important of a person's various statuses.
  (d) status to which everyone aspires.

Ques. 5

Experts estimate that three out of four sexually active men and women will be infected with HPV at some point.
 
  Indicate whether the statement is true or false