Language acquisition, learning and the principles of language teaching

What this heading covers

The largest single block of questions in the language papers comes from here — roughly one in six of Language I and Language II — and almost none of them ask for a definition on its own. They describe a learner or a classroom and ask what is happening, which means you need the terms and the position the syllabus takes.

That position, stated once so the rest follows: language is acquired through use, not assembled from rules. Teaching that gives learners something to do with language beats teaching that gives them facts about it.

Acquisition and learning

The distinction is Krashen's, and it is the single most examined idea in this heading.

	Acquisition	Learning
How it happens	Subconsciously, by using language for real purposes	Consciously, by studying the language
What the learner attends to	Meaning	Form and rules
Typical setting	Home, playground, immersion	Classroom, grammar lesson
What results	Fluency; knowing what "sounds right"	Knowledge about the language; ability to explain a rule
First language	Acquired	—

A child acquires their mother tongue without a single grammar lesson, and by five has mastered a system no adult can fully state. That fact is the argument for the whole communicative position.

Krashen's related claims, which the paper draws on:

• The input hypothesis (i + 1). Learners progress when they understand input a little beyond their current level — comprehensible, but slightly stretching. Not coincidentally, this is Vygotsky's zone of proximal development in a language classroom.
• The affective filter. Anxiety, low confidence and fear of ridicule act as a filter that blocks input from being absorbed. A frightened learner cannot acquire, however good the teaching. This is why a question about a child mocked for their accent has an answer about the classroom climate.
• The monitor. Consciously learned rules act mainly as an editor, checking output when there is time — which is why a learner who has memorised rules may still not speak fluently.

Treat these as the framework the syllabus teaches rather than as settled science; they are debated among researchers, but they are what CTET's questions are written from.

How language is acquired: the two explanations

Skinner — imitation, reinforcement, habit formation. The child says something, is understood and rewarded, and the behaviour strengthens.

Chomsky — imitation cannot explain it. Children produce sentences never spoken to them and make errors nobody modelled. He proposed an innate language acquisition device, a biological readiness for grammar, and a universal grammar underlying all languages.

The decisive evidence, and a favourite question: overgeneralisation. A child who said went correctly begins saying goed; foots, mouses, teached appear. Nobody taught these. They prove the child has extracted a rule and is over-applying it. The error is evidence of progress.

The vocabulary the paper assumes

These turn up as one-line questions, and the definitions must be exact.

Term	Meaning
Phoneme	The smallest unit of sound that can change meaning. /p/ and /b/ in pin and bin
Morpheme	The smallest meaningful unit. Unhappiness has three: un-, happy, -ness
Grapheme	The smallest unit of writing — a letter or letter-group representing a phoneme
Syntax	How words combine into sentences
Semantics	Meaning
Pragmatics	How language is used in context — politeness, implication, what is meant beyond what is said
Phonology	The sound system of a language
Lexicon	The vocabulary store

The pair most often confused is phoneme and morpheme. Phoneme = sound. Morpheme = meaning. A morpheme can be a single phoneme — the -s of cats — which is what makes the confusion easy.

Errors, mistakes and interlanguage

This cluster is heavily examined and rewards precision.

• An error is systematic. It comes from an incomplete grasp of the system, the learner cannot correct it when asked, and it recurs. It tells you what the learner's current rule is.
• A mistake is a slip in performance — tiredness, haste, distraction. The learner can correct it themselves when it is pointed out.

The distinction is Corder's, and it decides the teacher's response: a mistake needs no teaching, an error does.

• Interlanguage (Selinker) is the learner's own developing system — not broken target language, but a coherent grammar of its own that moves gradually towards the target. It explains why learners at similar stages make similar errors regardless of background.
• Fossilisation is when an interlanguage feature stops moving and becomes permanent despite exposure and correction.
• Contrastive analysis compares the learner's first language with the target to predict where difficulty will arise — for example, a speaker whose first language lacks articles omitting a and the. It deals with the sound system, grammar, vocabulary and writing system; it does not deal with the learner's intelligence or motivation, which is the usual trick in a "which is not part of contrastive analysis" question.
• Interference (or negative transfer) is the first language pushing into the second; positive transfer is when a feature shared by both helps.

Principles of language teaching

The syllabus names this as its own heading. The principles it means:

1. Language is learned by using it. Time spent talking, reading and writing beats time spent hearing about language.
2. Meaning before form. Learners work out form from meaningful input, not the reverse.
3. Listening and speaking precede reading and writing in natural order, and remain the foundation.
4. Move from the known to the unknown, from the concrete to the abstract, from the simple to the complex.
5. Errors are natural and necessary. Correcting every one, especially in speech, raises the affective filter and reduces the willingness to try.
6. The learner is at the centre. Maximum learner talking time, minimum unnecessary teacher talking time.
7. Multilingualism is a resource. The home language is a bridge to the school language, not an obstacle to it.
8. Context and purpose. Language practised for a real purpose is retained; sentences practised in isolation are not.

The approaches, briefly

Approach	Its idea	Where it falls short
Grammar-Translation	Learn rules and translate texts	Produces learners who can parse but not speak
Direct Method	Target language only, no translation	Demands fluent teachers; excludes the home language
Audio-lingual / Structural	Habit formation through pattern drill	Mechanical; little transfer to real use
Total Physical Response	Learners respond physically to commands	Good for beginners; limited beyond
Communicative Language Teaching	Language is for communication; teach through tasks with a real purpose	The position the syllabus takes

A question of the kind the paper sets

A class VI learner writes: "Yesterday I go to my village and meet my cousins." When the teacher points at the sentence, the learner cannot see what is wrong. This is best described as:

Two things decide it. The pattern is systematic — the past tense is missing on both verbs, not on one — and the learner cannot self-correct when the attention is drawn. That combination is an error, not a mistake, and it reveals the learner's current interlanguage rule: that the time word yesterday already marks the past, so the verb need not.

The teacher's response follows from the diagnosis. A mistake needs only a nudge. An error needs input and use that make the rule untenable — not a red mark, and not a drill on the whole class who may not share it.

Mistakes that cost marks here

• Swapping phoneme and morpheme. Sound versus meaning.
• Treating error and mistake as synonyms; the whole teaching response turns on which it is.
• Attributing the language acquisition device to Skinner, or imitation-and-reinforcement to Chomsky.
• Reading interlanguage as "bad English" rather than as a system in its own right.
• Choosing an option that corrects every spoken error immediately. The syllabus treats this as raising the affective filter and reducing output.
• Including motivation or intelligence in contrastive analysis. It compares languages, not learners.

In one line

A language is acquired by using it for something that matters, so the teacher's job is to supply understandable input slightly beyond the learner and a classroom safe enough for them to try.

In the classroom

The practical test of a language lesson is how many minutes the learners spent producing language and how many the teacher spent describing it. Almost every improvement this heading asks for — pair work, tasks with a real outcome, tolerance of error in speech, use of the home language as a bridge — is a way of shifting that ratio.