Examlex
If pretesting reveals that respondents have skipped a lot of questions or are circling the same answer for all questions within a group, it is a sign of possible boredom or tiring on the part of the respondent.
Preoperational Stage
A stage of development in Jean Piaget's theory, typically from ages 2 to 7, where children begin to engage in symbolic play but do not yet comprehend mental operations.
Epigenetic Mark
Chemical modifications to the DNA or histone proteins that affect gene expression without altering the DNA sequence itself, playing a crucial role in development, aging, and disease.
Sensorimotor Stage
The earliest stage in Piaget's theory of cognitive development, where infants learn about the world through their movements and sensory experiences.
Personality Traits
Enduring characteristics that describe an individual's typical patterns of behavior, thought, and emotional response.
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