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LAGOPHTHALMOS (LAGOPHTHALMUS)

The condition occurs in cases of leprosy it is a disorder marked by the inability to close the eyelids completely

LANDOLT CIRCLES

Used to test visual acuity also called Landolts circles.

LANGUAGE TRANSFER

Negative transfer occurs when differences between the two languages structures lead to systematic errors in the learning of the second

LATENT LEARNING

Learning that occurs without awareness or conscious effort or intention. Learning may come from social cues, through rewards, or observations.

LAW OF CONTRAST

The principle based on the assumption that individuals base their behavior on comparison of opposites not with sameness.

LABIAL

Lacking emotional stability see affective, describing the early stage of memory formation that can be easily disrupted by factors influencing

LAILING

Falling is considered a speech disorder when it persists beyond the age at which accurate articulation should have been acquired,

LANGERHANS CELLS

German anatomist Paul Langerhans 1847

LANGUAGE UNIVERSAL

1. Linguistic features that are common to all languages, such as words and sentence structure or pronouns or color words.

LATENT NEED

Needs that do not truly exist but are presented in a manner that need a person can believe they have to

LAW OF EFFECT

The theory that the consequences of a behavior modify the future probability that the behavior will occur again in the

LABIODENTAL

A speech sound also called a labial dental, also a denoting speech sound made with the lower lip touching or

LAISSEZ-FAIRE GROUP

When little or no control is exerted over members activities decisions or interests

LANGUAGE

Any comparable non-verbal means of communication such as sign or the languages used in the computer programming, the communicative system

LANGUAGE-EXPERIENCE APPROACH TO READING

The theory that using materials that relate to a child's experiences as an aide of teaching reading and other language skills.

LATENT TRAIT THEORY

A model for the design of instruments used in observing traits or testing unobservable traits. The preferred method of developing

LAW OF FILIAL REGRESSION

The principle that inherited traits such as tallness may revert to the mean of the population meaning offspring would be

LABOR

From the dilation of the cervix until the infants head begins to emerge into the birth canal, see delivery it

LAISSEZ-FAIRE LEADER

The type of leader who provides little guidance from group activities and only interacts minimally with the group members and

LANGUAGE ACQUISITION

The term is preferred by those who emphasize the active role of the child as a learner with considerable innate