Examlex
Recently, a marketing research company reported that based on a random sample of 300 households the mean number of trips to a major shopping mall per month per household is 4.12 trips. This value is referred to as a parameter and is subject to sampling error.
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.
Secondary Circular Reactions
Repetitive actions in infants (4-8 months old) focused on external objects as a means to learn about their environment.
Coordination
The capacity to coordinate various body parts seamlessly and effectively.
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