“…Butki, 1994; not sign. : Haas & Roberts, 1975;Lombardo & Catalano, 1978;Martens, 1969aMartens, , 1969bMartens & Landers, 1969), whereas towards the end of learning or during a retention test (Sawyer & Noel, 2000), the subjects that learned or performed in the presence of an observing (cf. Iso-Ahola & Hatfield, 1986) or evaluative (e.g.…”