Retrieval of memories can focus on two aspects of the situation. These are important to consider as they influence the intensity at which the emotion may be felt. 
- Recall of a situation in which the memory recall focuses on the vivid emotional aspects of it.
- Recall of a memory in which the emotion is not the focus of the situation. 

The Method Influences if the Emotion Re-occurs

This method of inducing emotion requires participants to think of events they experienced in the past as a way to bring about those emotions again.

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- Affective Images 
- Recall of Emotional Memories
- Films
- Music
- Scripted Social Interactions
- Naturally Occurring Emotions

Manipulating Emotions

Niedenthal, P. M., & Ric, F. (2017). Psychology of Emotion (2nd ed.). Psychology Press.

Psychology of Emotion

When researchers want to elicit brief emotional reactions, researchers can show participants various pictures that are expected to make participants feel a certain way.

Affective Images 

Recall of Emotional Memories

Films can be a way to induce emotions in participants. Experimenters show the participants film segments that are known to elicit particular emotions and reactions in most people.

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