science

Norman Mackworth

Norman Mackworth is a science 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 Norman Mackworth rather than just read about it. In short: Norman H. "Mack" Mackworth (1917–2005) was a British psychologist and cognitive scientist known for his pioneering work in the study of boredom, attention, and vigilance; the Mackworth Clock test has been used since the 1940s in the study of vigilance. During the Second World War, Mackworth was recruited by the RAF to study the efficiency of radar operators - after only 30 minutes the operators lost about 10 to 15 p…

Key takeaways

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

Reference excerpt

Norman H. "Mack" Mackworth (1917–2005) was a British psychologist and cognitive scientist known for his pioneering work in the study of boredom, attention, and vigilance; the Mackworth Clock test has been used since the 1940s in the study of vigilance. During the Second World War, Mackworth was recruited by the RAF to study the efficiency of radar operators - after only 30 minutes the operators lost about 10 to 15 percent of their efficiency. His findings resulted in the length of operator duty shifts being severely reduced. In 1951, Mackworth became head of the Unit for Research in Applied Psychology at Cambridge University, where he remained until emigrating to Canada in 1958.

References

External links Visual Acuity When Eyes Are Pursuing Moving Targets at Science, by Norman H. Mackworth and Ira T. Kaplan (1962)

Worked examples

Example 1 — a first encounter with Norman Mackworth

Start with the simplest possible case. Write down what Norman Mackworth claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Norman Mackworth 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 Norman Mackworth 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 Norman Mackworth

In research: Norman Mackworth appears in science 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 Norman Mackworth 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: Norman Mackworth is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1917 births, 2005 deaths, 20th-century British psychologists, so understanding it makes those chapters shorter.
In everyday life: Look for Norman Mackworth 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 Norman Mackworth in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Norman Mackworth 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 Norman Mackworth out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Norman Mackworth in simple terms?

Why does Norman Mackworth matter?

Because it connects several science 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 Norman Mackworth?

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 Norman Mackworth.