Examlex
A/An ________ has been used to estimate that HIV-1 M first spread to humans in the 1930s.
Engineering Principles
Fundamental guidelines that inform and support the problem-solving, design, and development processes within various fields of engineering.
Zone of Proximal Development
A concept developed by Lev Vygotsky referring to the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.
Horizontal Décalage
The concept in developmental psychology indicating variations in a child's understanding and application of knowledge across different domains or tasks.
Bio-social-behavioral Shift
A change in biological, social, and behavioral aspects of an individual, often associated with development or adaptation to environments.
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