In 1969, American psychologist Mary Ainsworth gave developmental psychology a new procedure for studying attachment in infants.

She called it the Strange Situation Classification, and it is widely referred to as simply the Strange Situation.

To learn more about The Strange Situation, read our Free Online Psychology Textbook article here.

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The Strange Situation (Ainsworth, 1969)

How Babies Form Attachments (Schaffer & Emerson, 1964)

Pavlov’s Dogs and How People Learn (Classical Conditioning)

Distinctions in Long Term Memory Tulving (1972)

Working Memory (Baddeley & Hitch, 1974)

Paltering: The Art of Lying Truthfully (Rogers et al., 2016)

Should teenagers work? (Steinberg et al., 1982)

On Being Sane In Insane Places (Rosenhan, 1973)

Atkinson & Shiffrin’s Multi Store Model of Memory

The Stanford Prison Experiment (Zimbardo, 1972)

Bettelheim and Communal Parenting

Why did Milgram’s participants commit murder?

False recall and what it tells us about our memory

Stanley Milgram’s Obedience Experiment (1961)