Examlex
In a simple linear regression problem,if the percentage of variation explained is 0.95,this means that 95% of the variation in the explanatory variable X can be explained by regression.
Preoperational Stage
The second Piagetian developmental stage, which lasts from about 2 to 7 years of age, when children begin to represent the world with words, images, and drawings.
Formal-Operational Stage
A developmental stage proposed by Piaget, where individuals (around age 11 and older) gain the ability to think abstractly and logically.
Primitive Symbols
Basic or rudimentary forms of representation used to convey meanings or concepts without the use of words.
Tertiary Circular Reactions
In Piaget's stages of cognitive development, this phase (12-18 months) involves the purposeful adaptation of established schemes to new situations.
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