Types of Errors
Mother Tongue (L1)
Theories Behind Error Sources
Famous Researchers
100

What are pre-systematic errors?

These errors occur because the learner doesn’t know the rule in the target language.

100

What is negative transfer or interference?

When L1 habits interfere with learning L2, causing incorrect forms.

100

What is behaviorism?

This theory says errors are habits from L1 that interfere with L2 learning.

100

 Who is Corder? 

 Distinguished between “errors” and “mistakes” in L2 learning. 

200

What are systematic errors?

These errors happen when the learner knows a rule but applies it incorrectly.

200

What is positive transfer?

When similarities between L1 and L2 help the learner.

200

What is cognitivism?

This approach sees errors as part of a process of building new knowledge using existing knowledge.

200

Who is Selinker?

First to introduce the concept of “interlanguage"

300

What are post-systematic errors?

Errors caused by lack of attention or memory, even when the rule is known.

300

What is literal translation interference?

Errors caused by translating directly from L1 to L2.

300

What is Universal Grammar?

This linguistic theory proposes that all languages share universal principles.

300

Who is Noam Chomsky?

Proposed that all humans share innate grammatical knowledge.

400

What are conceptual interference errors?

These errors result from misunderstanding the relationship between a concept and its word in the target language.

400

What is persistent L1 influence?

Phenomenon where learners continue using L1 habits even at advanced stages.

400

What is interlanguage?

According to Selinker (1972), this “in-between” language system explains how learners form their own linguistic rules.

400

Who is Stephen Krashen?

Distinguished between conscious “learning” and subconscious “acquisition"

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