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- DictionaryRe·li·a·ble/rəˈlīəb(ə)l/
adjective
- 1. consistently good in quality or performance; able to be trusted: "a reliable source of information"
noun
- 1. a person or thing with trustworthy qualities: "the supporting cast includes old reliables like Mitchell"
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reliable is one of the 5,000 most common words in modern written English. It is similar in frequency to words like ceiling, exploit, generalize, perceived, and remedy. It typically occurs about 20 times per million words in modern written English.
Definition of reliable – Learner’s Dictionary. reliable. adjective. uk / rɪˈlaɪəbl / us. Add to word list. B1. able to be trusted or believed: a reliable car. reliable information. Andy's very reliable - if he says he'll do something, he'll do it. Opposite. unreliable. Fewer examples. I need a car that's economical and reliable.
1. First recorded in 1560–70; rely + -able. synonym study For reliable. Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, performance, or result: a reliable formula, judge, car, meteorologist.
1. First recorded in 1560–70; rely + -able. synonym study For reliable. Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, performance, or result: a reliable formula, judge, car, meteorologist.
- Test-Retest Reliability
- Interrater Reliability
- Parallel Forms Reliability
- Internal Consistency
- Which Type of Reliability Applies to My Research?
- Other Interesting Articles
Test-retest reliability measures the consistency of results when you repeat the same test on the same sample at a different point in time. You use it when you are measuring something that you expect to stay constant in your sample.
Interrater reliability (also called interobserver reliability) measures the degree of agreement between different people observing or assessing the same thing. You use it when data is collected by researchers assigning ratings, scores or categories to one or more variables, and it can help mitigate observer bias.
Parallel forms reliability measures the correlation between two equivalent versions of a test. You use it when you have two different assessment tools or sets of questions designed to measure the same thing.
Internal consistency assesses the correlationbetween multiple items in a test that are intended to measure the same construct. You can calculate internal consistency without repeating the test or involving other researchers, so it’s a good way of assessing reliability when you only have one data set.
It’s important to consider reliability when planning yourresearch design, collecting and analyzing your data, and writing up your research. The type of reliability you should calculate depends on the type of research and your methodology. If possible and relevant, you should statistically calculate reliability and state this alongside your results.
If you want to know more about statistics, methodology, or research bias, make sure to check out some of our other articles with explanations and examples.
Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, performance, or result: a reliable formula, judge, car, meteorologist.
adjective. These are words and phrases related to reliable. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of reliable. The Pauly-Wissowa encyclopedia is a reliable source of information about classical antiquity. Jim is not a reliable employee. Synonyms. dependable. unfailing. faithful. trustworthy. trusty.
