Anchor: Eight techniques are used-sometimes all of them in the same study-to collect information (Neustadt and Fineberg, 1978; Yin, 1989).
Entailed: Sometimes, all eight techniques are used in the same study.
Contradiction: There are only three techniques for information collection.
Contradiction: A man wears nothing but an apron while sitting alone in his apartment.
Contradiction: The person is touching a rope.
Contradiction: The women are the same age.
Contradiction: Pardon me.