astronomy

Leigh Lisker

Leigh Lisker is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Leigh Lisker rather than just read about it. In short: Leigh Lisker (December 7, 1918 – March 24, 2006) was an eminent American linguist and phonetician. Most of his career was spent at the University of Pennsylvania, where he was a professor and then emeritus professor of linguistics.

Key takeaways

Leigh Lisker belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Leigh Lisker to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Leigh Lisker from memory before moving on to harder problems.

Reference excerpt

Leigh Lisker (December 7, 1918 – March 24, 2006) was an eminent American linguist and phonetician. Most of his career was spent at the University of Pennsylvania, where he was a professor and then emeritus professor of linguistics. Dr. Lisker received his A.B. in 1941, with a major in German, his M.A. in 1946, and a Ph.D. in 1949 in linguistics. He was a major figure in phonetics, working both at the University of Pennsylvania and at Haskins Laboratories in New Haven, CT, where he was a senior scientist from 1951 until the end of his life. He collaborated with several phoneticians, principally Arthur S. Abramson[1] Archived 2019-04-01 at the Wayback Machine. He is best known for his work, done mostly in conjunction with Abramson, on voice onset time. Dr. Lisker also made important contributions to Dravidian linguistics, including the book Introduction to Spoken Telugu (Telugu), and did research comparing phonetic and phonological perceptions on the part of linguistically naive and linguistically sophisticated speakers of different native language backgrounds. He conducted such studies in collaboration with Dr. Abramson of the University of Connecticut, Bh. Krishnamurti [2] of University of Hyderabad, India, Adrian Fourcin [3] of University College London, and Mario Rossi [4] of the Institut de Phonétique at the Université de Provence, Aix-en-Provence.

External links Haskins Leigh Lisker Tribute site Archived 2007-02-06 at the Wayback Machine Reprints of many Lisker's papers at Haskins Labs website Archived 2016-03-03 at the Wayback Machine University of Pennsylvania Almanac obituary comments on Leigh Lisker by Arthur Abramson

Selected publications Lisker, L. Minimal cues for separating /w,r,l,y/ in intervocalic position. Word, 1957, 13, 257-267. Lisker, L. Linguistic segments, acoustic segments and synthetic speech. Language, 1957, 33, 370-374. Lisker, L., Cooper, F.S., & Liberman, A.M. The uses of experiment in language description. Word, 1962, 18, 82-106. Lisker, L. & Abramson, A.S. A cross-language study of voicing in initial stops: acoustical measurements. Word, 1964, 20, 384-422. Lisker, L. & Abramson, A.S. Distinctive features and laryngeal control. Language, 1971, 47, 767-785. Lisker, L. On time and timing in speech. In T.A. Sebeok (Ed.), Current Trends in Linguistics, Vol. 12, The Hague: Mouton, 1974, 2387-2418. Lisker, L. The pursuit of invariance in speech signals. JASA, 1985, 77, 1199-1202. Lisker, L. "Voicing" in English: A catalogue of acoustic features signaling /b/ versus /p/ in trochees. Language and Speech, 1986, 29, 3-11.

Worked examples

Example 1 — a first encounter with Leigh Lisker

Start with the simplest possible case. Write down what Leigh Lisker claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Leigh Lisker before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Leigh Lisker ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Leigh Lisker

In research: Leigh Lisker appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Leigh Lisker in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Leigh Lisker is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1918 births, 2006 deaths, 20th-century American linguists, so understanding it makes those chapters shorter.
In everyday life: Look for Leigh Lisker outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Leigh Lisker in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Leigh Lisker means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Leigh Lisker out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Leigh Lisker in simple terms?

Why does Leigh Lisker matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Leigh Lisker?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Leigh Lisker.