Key terms & definitions

A repeat of a measurement made under the same conditions, used to identify anomalous results and make a mean more reliable.

The closeness of results obtained when the same investigator repeats a measurement using the same method and equipment under the same conditions.

Agreement between repeated measurements made using the same method.

The extent to which repeated measurements made in consistent conditions give similar results.

The extent to which the same person obtains closely agreeing results when repeating an investigation using the same method and equipment under the same conditions.

The ability to produce components with consistently similar dimensions and quality.

An experimental design in which each participant takes part in every condition.

An experimental design in which the same participants complete every condition.

A method in which the same participant recalls the same material on several occasions, allowing changes over time to be examined.

A single solution obtained twice when a quadratic contains two identical linear factors, such as $(x-4)^2=0$.

A selected part of a repeating structure which can be continued to represent more of the structure.

The smallest section of a polymer chain whose pattern repeats along the chain.

The group of atoms that occurs repeatedly along a polymer molecule.

A measurement made again under the same conditions to assess measurement variation; it does not by itself increase the number of independent individuals in a sample.

A measurement made again under the same conditions so that the spread of the results can be assessed.

A photograph taken again at the same location, with a similar viewpoint, to allow comparison with an earlier image.

The smallest group of atoms that repeats along a polymer chain.

A group of atoms that occurs repeatedly along a polymer molecule.

To exert a force that pushes objects away from one another.

Recognition of wrongdoing accompanied by a sincere desire to change.

Sincerely recognising and regretting wrongdoing and turning away from it.

The collection of characteristic features that helps audiences recognise and distinguish a genre.

Using an item more than once in the same outcome, such as using the digit 3 twice in a code.

The deliberate reuse of a word, phrase or structure to emphasise an idea or connect parts of an argument.

Repeatedly executing an instruction or block of instructions using a loop.

One complete performance of an exercise, such as lifting and lowering a weight once.

Presenting information repeatedly to make it more familiar and easier to remember.

The reuse of familiar genre features, helping audiences recognise a product and know what to expect.

The balance between familiar genre conventions and variations that give audiences something new.

The use of familiar genre features alongside differences that make a particular product seem fresh.