Baddeley (1966)

Jacobs (1887)

Miller (1956)

Peterson and Peterson (1959)

Bahrick et al (1975)

McGeoch and McDonald (1931)

Godden and Baddeley (1975)

Loftus and Palmer (1974)

Gabbert et al (2003)

Johnson and Scott (1976)

Yuille and Cutshall (1986)