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Related Concept Videos

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People all belong to a gender, race, age, and social economic group. These groups provide a powerful source of our identity and self-esteem (Tajfel & Turner, 1979) and serve as our in-groups. An in-group is a group that we identify with or see ourselves as belonging to.
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Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
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Social Identity01:29

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Social identity constitutes a significant aspect of an individual’s self-concept, shaped by membership in various social groups, including gender, nationality, ethnicity, sexual orientation, and political affiliation. Individuals associate specific traits with particular social groups, leading to internalization of these traits. For example, musicians are often perceived as creative, while women are frequently associated with nurturing tendencies. Once individuals identify with a...
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Related Experiment Video

Updated: Mar 18, 2026

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In-Group Versus Out-Group Source Memory.

Michael Greenstein1, Nancy Franklin1, Jessica Klug1

  • 11 Department of Psychology, Stony Brook University, Stony Brook, NY, USA.

Experimental Psychology
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Summary
This summary is machine-generated.

People remember information sources better when they perceive them as belonging to their own group. This study shows inferred group membership impacts source memory and discriminability.

Keywords:
false memorysource monitoring

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Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Memory Studies

Background:

  • Source monitoring literature indicates increased source similarity typically impairs discriminability.
  • Traditional studies manipulate similarity overtly, but inferred characteristics also influence memory.
  • The out-group homogeneity effect suggests in-group members are perceived as more diverse than out-group members.

Purpose of the Study:

  • To investigate the impact of inferred source characteristics on source monitoring.
  • To examine if the out-group homogeneity effect influences the discriminability of information sources.
  • To determine if people spontaneously use inferred group membership in source memory.

Main Methods:

  • Two studies were conducted using participants who learned about two sources.
  • Sources were described as in-group or out-group members, with actions not strongly associated with either group.
  • Source memory performance was assessed based on perceived group membership.

Main Results:

  • Source memory was significantly superior when participants perceived the sources as in-group members.
  • This indicates that inferred features, such as group membership, are incorporated into source representations.
  • Inferred in-group status improved performance, even for initially perceived out-group sources.

Conclusions:

  • Inferred group membership plays a crucial role in source monitoring and memory.
  • Cognitive processes can leverage perceived group affiliations to enhance source discriminability.
  • Future research should explore the nuances of social cognition in memory recall.