Studies on Attention Cues

Meanings of "cue. n" from https://en.oxforddictionaries.com/definition/cue

Cue:
1. A thing said or done that serves as a signal to an actor or other performer to enter or to begin their speech or performance.

1.1 A signal for action
1.2 A circumstance or piece of information which aids the memory in retrieving details not recalled spontaneously
1.3 Psychology A feature of something perceived that is used in the brain's interpretation of the perception.
1.4 A facility for playing through an audio or video recording very rapidly until a desired starting point is reached.


Proposed operational definition: 
A circumstance or piece of information created that serves as a signal for action to a player to solve problem in games. 

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Meanings of "attention. mass n." from https://en.oxforddictionaries.com/definition/attention

attention:
1. Notice taken of someone or something; the regarding of someone or something as interesting or important.
1.1 The mental faculty of considering or taking notice of someone or something.

2. The action of dealing with or taking special care of someone or something.

Proposed operational definition: 

Attention cue

The mental faculty of taking notice of an interesting or important circumstance or information created that serves as a signal for action to a player.