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ENG504 Second Language Acquisition Assignment No 01 Fall 2019 Solution & Discussion


Second Language Acquisition (ENG 504)



Fall 2019

Assignment No. 1

Total Marks: 20

Lectures: 1-12




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Q1. Developments in first language acquisition and disillusionment with contrastive analysis originated ‘error analysis’ which is the systematic investigation of second language learners’ errors. Studies reveal that learners’ errors do not necessarily originate from the first language. First language interference remained unfounded in majority of errors which raised a question that where do these errors come from? Supposing error analysis is applied in a Pakistani language classroom, discuss any five types of errors that are expected to be found, along with reasons, in Pakistani second language learners?                                                                                         

10 Marks

Q2. Krashen’s monitor model is an interesting theory composed in late 1970’s to comprehend the Second Language Learning process.  Write a detailed note on Krashen’s monitor model discussing all five hypotheses under this model. Also, specifically elaborate the points on which these models were criticized by the research scholars. 

10 Marks

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The input hypothesis, also known as the monitor model, is a group of five hypotheses of second-language acquisition developed by the linguist Stephen Krashen in the 1970s and 1980s. Krashen originally formulated the input hypothesis as just one of the five hypotheses, but over time the term has come to refer to the five hypotheses as a group. The hypotheses are the input hypothesis, the acquisition–learning hypothesis, the monitor hypothesis, the natural order hypothesis and the affective filter hypothesis. The input hypothesis was first published in 1977.[1][2]

The hypotheses put primary importance on the comprehensible input (CI) that language learners are exposed to. Understanding spoken and written language input is seen as the only mechanism that results in the increase of underlying linguistic competence, and language output is not seen as having any effect on learners' ability. Furthermore, Krashen claimed that linguistic competence is only advanced when language is subconsciously acquired, and that conscious learning cannot be used as a source of spontaneous language production. Finally, learning is seen to be heavily dependent on the mood of the learner, with learning being impaired if the learner is under stress or does not want to learn the language.

Krashen's hypotheses have been influential in language education, particularly in the United States, but have received criticism from some academics. Two of the main criticisms state that the hypotheses are untestable, and that they assume a degree of separation between acquisition and learning that has not been proven to exist.


The five hypotheses that Krashen proposed are as follows:

  • The input hypothesis. This states that learners progress in their knowledge of the language when they comprehend language input that is slightly more advanced than their current level. Krashen called this level of input "i+1", where "i" is the learner's interlanguage and "+1" is the next stage of language acquisition.
  • The acquisition–learning hypothesis claims that there is a strict separation between acquisition and learning; Krashen saw acquisition as a purely subconscious process and learning as a conscious process, and claimed that improvement in language ability was only dependent upon acquisition and never on learning.
  • The monitor hypothesis states that consciously learned language can only be used to monitor language output; it can never be the source of spontaneous speech.
  • The natural order hypothesis states that language is acquired in a particular order, and that this order does not change between learners, and is not affected by explicit instruction.
  • The affective filter hypothesis. This states that learners' ability to acquire language is constrained if they are experiencing negative emotions such as fear or embarrassment. At such times the affective filter is said to be "up".

Input hypothesis

If i represents previously acquired linguistic competence and extra-linguistic knowledge, the hypothesis claims that we move from i to i+1 by understanding input that contains i+1. Extra-linguistic knowledge includes our knowledge of the world and of the situation, that is, the context. The +1 represents 'the next increment' of new knowledge or language structure that will be within the learner's capacity to acquire.[3]

The comprehensible input hypothesis can be restated in terms of the natural order hypothesis. For example, if we acquire the rules of language in a linear order (1, 2, 3...), then i represents the last rule or language form learned, and i+1 is the next structure that should be learned.[4] It must be stressed, however, that just any input is not sufficient; the input received must be comprehensible.[3] According to Krashen, there are three corollaries to his theory.

Corollaries of the input hypothesis

  1. Talking (output) is not practicing.
    Krashen stresses yet again that speaking in the target language does not result in language acquisition. Although speaking can indirectly assist in language acquisition, the ability to speak is not the cause of language learning or acquisition. Instead, comprehensible output is the effect of language acquisition.[3][5]
  2. When enough comprehensible input is provided, i+1 is present.
    If language models and teachers provide enough comprehensible input, then the structures that acquirers are ready to learn will be present in that input. According to Krashen, this is a better method of developing grammatical accuracy than direct grammar teaching.[3]
  3. The teaching order is not based on the natural order.
    Instead, students will acquire the language in a natural order by receiving comprehensible input.[3]

Acquisition-learning hypothesis

In modern linguistics, there are many theories as to how humans are able to develop language ability. According to Stephen Krashen's acquisition-learning hypothesis, there are two independent ways in which we develop our linguistic skills: acquisition and learning.[3] This theory is at the core of modern language acquisition theory, and is perhaps the most fundamental of Krashen's theories.

Acquisition of language is a natural, intuitive, and subconscious process of which individuals need not be aware. One is unaware of the process as it is happening and, when the new knowledge is acquired, the acquirer generally does not realize that he or she possesses any new knowledge. According to Krashen, both adults and children can subconsciously acquire language, and either written or oral language can be acquired.[3] This process is similar to the process that children undergo when learning their native language. Acquisition requires meaningful interaction in the target language, during which the acquirer is focused on meaning rather than form.[6]

Learning a language, on the other hand, is a conscious process, much like what one experiences in school. New knowledge or language forms are represented consciously in the learner's mind, frequently in the form of language "rules" and "grammar", and the process often involves error correction.[3] Language learning involves formal instruction and, according to Krashen, is less effective than acquisition.[6] Learning in this sense is conception or conceptualisation: instead of learning a language itself, students learn an abstract, conceptual model of a language, a "theory" about a language (a grammar).

Monitor hypothesis

The monitor hypothesis asserts that a learner's learned system acts as a monitor to what they are producing. In other words, while only the acquired system is able to produce spontaneous speech, the learned system is used to check what is being spoken.

Before the learner produces an utterance, he or she internally scans it for errors, and uses the learned system to make corrections. Self-correction occurs when the learner uses the Monitor to correct a sentence after it is uttered. According to the hypothesis, such self-monitoring and self-correction are the only functions of conscious language learning.[3]

The Monitor model then predicts faster initial progress by adults than children, as adults use this ‘monitor’ when producing L2 (target language) utterances before having acquired the ability for natural performance, and adult learners will input more into conversations earlier than children.[citation needed]

Three conditions for use of the monitor

According to Krashen, for the Monitor to be successfully used, three conditions must be met:

  1. The acquirer/learner must know the rule
    This is a very difficult condition to meet because it means that the speaker must have had explicit instruction on the language form that he or she is trying to produce.[3]
  2. The acquirer must be focused on correctness
    He or she must be thinking about form, and it is difficult to focus on meaning and form at the same time.[3]
  3. The acquirer/learner must have time to use the monitor
    Using the monitor requires the speaker to slow down and focus on form.[3]

Difficulties using the monitor

There are many difficulties with the use of the monitor, making the monitor rather weak as a language tool.

  1. Knowing the rule: this is a difficult condition to meet, because even the best students do not learn every rule that is taught, cannot remember every rule they have learned, and can't always correctly apply the rules they do remember. Furthermore, not every rule of a language is always included in a text or taught by the teacher.[3]
  2. Having time to use the monitor: there is a price that is paid for the use of the monitor- the speaker is then focused on form rather than meaning, resulting in the production and exchange of less information, thus slowing the flow of conversation. Some speakers over-monitor to the point that the conversation is painfully slow and sometimes difficult to listen to.[3]
  3. The rules of language make up only a small portion of our language competence: Acquisition does not provide 100% language competence. There is often a small portion of grammar, punctuation, and spelling that even the most proficient native speakers may not acquire. While it is important to learn these aspects of language, since writing is the only form that requires 100% competence, these aspects of language make up only a small portion of our language competence.[3]

Due to these difficulties, Krashen recommends using the monitor at times when it does not interfere with communication, such as while writing.[3]

Natural order hypothesis

The natural order hypothesis states that all learners acquire a language in roughly the same order. This order is not dependent on the ease with which a particular language feature can be taught; some features, such as third-person "-s" ("he runs") are easy to teach in a classroom setting, but are not typically acquired until the later stages of language acquisition. This hypothesis was based on the morpheme studies by Dulay and Burt, which found that certain morphemes were predictably learned before others during the course of second-language acquisition.

Affective filter hypothesis

The affective filter is an impediment to learning or acquisition caused by negative emotional ("affective") responses to one's environment. It is a hypothesis of second-language acquisition theory, and a field of interest in educational psychology.

According to the affective filter hypothesis, certain emotions, such as anxiety, self-doubt, and mere boredom interfere with the process of acquiring a second language. They function as a filter between the speaker and the listener that reduces the amount of language input the listener is able to understand. These negative emotions prevent efficient processing of the language input.[3] The hypothesis further states that the blockage can be reduced by sparking interest, providing low-anxiety environments, and bolstering the learner's self-esteem.

According to Krashen (1982),[7] there are two prime issues that prevent the lowering of the affective filter. The first is not allowing for a silent period (expecting the student to speak before they have received an adequate amount of comprehensible input according to their individual needs). The second is correcting their errors too early on in the learning process.

Reception and influence

The model has been criticized by some linguists[who?] and isn't considered a valid hypothesis for some[who?][citation needed]. It has, however, inspired much research, and many linguists praise its value.[citation needed]

According to Wolfgang Butzkamm & John A. W. Caldwell (2009), comprehensible input, defined by Krashen as understanding messages, is indeed the necessary condition for acquisition, but it is not sufficient. Learners will crack the speech code only if they receive input that is comprehended at two levels. They must not only understand what is meant but also how things are quite literally expressed, i.e. how the different meaning components are put together to produce the message. This is the principle of dual comprehension. In many cases both types of understanding can be conflated into one process, in others not. The German phrase "Wie spät ist es?" is perfectly understood as "What time is it?" However learners need to know more: *How late is it? That’s what the Germans say literally, which gives us the anatomy of the phrase, and the logic behind it. Only now is understanding complete, and we come into full possession of the phrase which can become a recipe for many more sentences, such as "Wie alt ist es?" / "How old is it?" etc. According to Butzkamm & Caldwell (2009:64) "dually comprehended language input is the fuel for our language learning capacities".[8] It is both necessary and sufficient.

The theory underlies Krashen and Terrell's comprehension-based language learning methodology known as the natural approach (1983). The Focal Skills approach, first developed in 1988, is also based on the theory.[citation needed] English as a Second Language Podcast was also inspired by Krashen's ideas on providing comprehensible input to language acquirers.

The most popular competitors are the skill-building hypothesis and the comprehensible output hypothesis.[9] The input hypothesis is related to instructional scaffolding.

Applications in language teaching

Krashen designates learners into beginner and intermediate levels:[3]

Beginning level

Class time is filled with comprehensible oral input

  • Teachers must modify their speech so that it is comprehensible
  • Demands for speaking (output) are low; students are not forced to speak until ready
  • Grammar instruction is only included for students high school age and older
Intermediate level
  • Teaching uses comprehensible input drawn from academic texts, but modified so that subject-matter is sheltered, or limited. (Note that sheltered subject-matter teaching is not for beginners or native speakers of the target language.)
  • In sheltered instruction classes, the focus is on meaning, not form.

As a practical matter, comprehensive input works with the following teaching techniques:

  1. The teacher should slow down and speak clearly and slowly, using short sentences and clauses.
  2. The teacher needs to prepare and use graphical or visual aids.
  3. Courses should use textbooks or supporting materials that are not overly cluttered.
  4. For students above 2nd grade, a study guide is useful.
  5. Classes should make use of multi-modal teaching techniques.
  6. Students may read aloud, with other students paraphrasing what they said.
  7. A small set of content vocabulary used repeatedly will be more easily acquired and allow students to acquire language structures.[10][11]

The Monitor Hypothesis: Definition and Criticism

Stephen Krashen is an educator and linguist who proposed the Monitor Model as his theory of second language acquisition in his influential text Principles and practice in second language acquisition in 1982. The Monitor Model posits five hypotheses about second language acquisition and learning:

However, despite the popularity and influence of the Monitor Model, the five hypotheses are not without criticism. The following sections offer a description of the third hypothesis of the theory, the monitor hypothesis, as well as the major criticism by other linguistics and educators surrounding the hypothesis.

Definition of the Monitor Hypothesis

The third hypothesis, the monitor hypothesis, complements the acquisition-learning hypothesis by claiming that the only function of learning within second language acquisition is as an editor, or Monitor, for language use produced by the acquired system as well as to produce grammatical forms not yet acquired. The Monitor allows a language user to alter the form of an utterance either prior to production by consciously applying learned rules or after production via self-correction. In other words, the learned system monitors the output of the acquired system.

However, according to the monitor hypothesis, explicit knowledge of a language rule is not sufficient for the utilization of the Monitor; a language user must also have an adequate amount of time to consciously think about and apply learned rules. Additionally, the three conditions required by the Monitor—time, focus, and knowledge—are, as Krashen asserts, “necessary and not sufficient,” meaning that, despite the convenement of all three conditions, a language user may not utilize the Monitor.

Criticism of the Monitor Hypothesis

The major critique of the monitor hypothesis expands on the critique of the acquisition-learning hypothesis. According to the monitor hypothesis, the main purpose of language learning is to function as a Monitor for output produced by acquired system. However, as critics reveal through deeper investigation of the acquisition-learning distinction, to separate language learning clearly and adequately from language acquisition is impossible. Consequently, determining that the function of the learned system is as a Monitor only remains likewise impossible to prove.

Additionally, that the claim of learning-as-Monitor applies only to output after production invites further criticism of the hypothesis; second language learners can and do use the learned system to produce output as well as to facilitate comprehension. Such questions and evidence, therefore, invalidate the central claim of the monitor hypothesis.

Therefore, in spite of the influence of the Monitor Model in the field of second language acquisition, the third hypothesis, the monitor hypothesis, has not been without criticism as evidenced by the critiques offered by other linguists and educators in the field.


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