Examlex
Imagine the construct of intelligence. What would researchers do to validate measures of this construct? Why is validity harder to establish and evaluate than reliability?
Social Smiles
A reflexive smile in infants, typically appearing between 6 to 8 weeks of age, that signals happiness and occurs in response to human faces or voices.
Primary Intersubjectivity
The early development phase where infants engage in face-to-face interaction, developing a sense of shared understanding and emotional exchange with caregivers.
External Stimulation
Refers to sensory, cognitive, or emotional input from the environment that can influence an individual's psychological or physiological state.
Cognitive Aspect
Pertains to the mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.
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