Examlex
When calculating a confidence interval, the reason for using the t-distribution rather than the normal distribution for the critical value is that the population standard deviation is unknown.
Social Smiling
The act of smiling in response to interacting with others, typically developing around two months of age in infants as a means of communication.
Nonverbal Encoding
The process of communicating information without the use of spoken words, through gestures, facial expressions, and body language.
Amygdala
A part of the brain involved in processing emotions, fear responses, and emotional memories.
Hippocampus
A region of the brain important for learning and memory formation.
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