alpha testn.

Brit.

/ˈalfə ˌtɛst/, U.S.

/ˈælfə ˌtɛst/

Origin: Formed within English, by compounding. Etymons: alpha adj., test n.¹

Etymology: < alpha adj. + test n.¹ With sense 3 compare beta test at beta n. Additions.

1. A form of intelligence test devised by American psychologist Robert Yerkes to assess people with a reasonable level of literacy. Now historical.Yerkes’ intelligence tests, including the alpha test, were administered to a large number of United States army recruits during the First World War (1914–18).

ΘΚΠ

the mind > mental capacity > psychology > developmental psychology > acquisition of knowledge > test of mental ability > [noun]

psychometric test1889

mental test1890

Binet-Simon test1910

alpha test1918

Stanford–Binet1918

Wechsler1942

1918 Psychol. Bull. 15 179 The Alpha test measures a man's ability to comprehend, to remember and follow instructions, to discriminate between relevant and irrelevant answers to common sense questions, to combine related ideas into a logical whole [etc.]

1920 C. S. Yoakum & R. M. Yerkes Army Mental Tests (1922) i. 10 We have shown that literacy was an important factor in the alpha tests.

1972 Hist. Educ. Q. 12 8 The Alpha test was given to those who were literate and the Beta to the illiterates.

2006 Guardian (Nexis) 14 Jan. 3 The so-called Alpha tests designed to work quickly through the hundreds of thousands of applicants and work out who had the required education and background.

2. The first of two different technical or scientific tests, or of two tests involving items designated alpha and beta respectively.

ΚΠ

1930 Techn. Assoc. Papers 13 248/2 All of our Alpha tests were calculated on the bone dry basis but no allowance was made for size, glue, starch, etc.

1975 Jrnl. Water Pollution Control Federation 47 2589/2 In an attempt to make future determinations more reliable and reproducible, one rotameter..was used to conduct the alpha test and a different rotameter, with a much larger capacity, was used to run the beta test.

2007 M. Schilling Shaping Learning Environments by Simulation Gaming 7 In a negotiation simulation verification is often called ‘calibration’. In ‘Zug um Zug 2015’ the setting was tested with three Alpha tests (one vs. one negotiations) and with two Beta tests (group vs. group negotiations on two levels).

3. Chiefly Computing. A test of a product in course of development, carried out by the developer in-house before the product is made publicly available for beta testing.

ΘΚΠ

the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > specific tests or testing > test of materials or equipment > of machinery or software by developer

alpha testing1928

alpha test1964

dog food1993

dogfooding1995

1964 C. H. Reynolds Memorandum in N.Y. Times (1973) 3 June iii. 4/6 I would like only to comment that alpha test for this system is not scheduled for completion prior to the fourth quarter of 1964.

1973 N.Y. Times 3 June iii. 4/4 The memorandums also indicate that I.B.M. bypassed the standard ‘alpha’ tests for much of the S-360 software.

1989 InfoWorld 23 Oct. 110/4 Apple set Hypercard 2.0 into alpha test right before the quake, making a spring intro likely.

1994 N.Y. Times 4 Mar. d5/6 The trial should be considered similar to an alpha test of new software, in that a small number of people would use a product while it was still evolving.

2009 N. Capon Capon's Marketing Framework xiii. 190 Most new products have many in-company alpha tests where firm employees provide critical feedback.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alpha test
释义	alpha testn. Brit. /ˈalfə ˌtɛst/, U.S. /ˈælfə ˌtɛst/ Origin: Formed within English, by compounding. Etymons: alpha adj., test n.¹ Etymology: < alpha adj. + test n.¹ With sense 3 compare beta test at beta n. Additions. 1. A form of intelligence test devised by American psychologist Robert Yerkes to assess people with a reasonable level of literacy. Now historical.Yerkes’ intelligence tests, including the alpha test, were administered to a large number of United States army recruits during the First World War (1914–18). ΘΚΠ the mind > mental capacity > psychology > developmental psychology > acquisition of knowledge > test of mental ability > [noun] psychometric test1889 mental test1890 Binet-Simon test1910 alpha test1918 Stanford–Binet1918 Wechsler1942 1918 Psychol. Bull. 15 179 The Alpha test measures a man's ability to comprehend, to remember and follow instructions, to discriminate between relevant and irrelevant answers to common sense questions, to combine related ideas into a logical whole [etc.] 1920 C. S. Yoakum & R. M. Yerkes Army Mental Tests (1922) i. 10 We have shown that literacy was an important factor in the alpha tests. 1972 Hist. Educ. Q. 12 8 The Alpha test was given to those who were literate and the Beta to the illiterates. 2006 Guardian (Nexis) 14 Jan. 3 The so-called Alpha tests designed to work quickly through the hundreds of thousands of applicants and work out who had the required education and background. 2. The first of two different technical or scientific tests, or of two tests involving items designated alpha and beta respectively. ΚΠ 1930 Techn. Assoc. Papers 13 248/2 All of our Alpha tests were calculated on the bone dry basis but no allowance was made for size, glue, starch, etc. 1975 Jrnl. Water Pollution Control Federation 47 2589/2 In an attempt to make future determinations more reliable and reproducible, one rotameter..was used to conduct the alpha test and a different rotameter, with a much larger capacity, was used to run the beta test. 2007 M. Schilling Shaping Learning Environments by Simulation Gaming 7 In a negotiation simulation verification is often called ‘calibration’. In ‘Zug um Zug 2015’ the setting was tested with three Alpha tests (one vs. one negotiations) and with two Beta tests (group vs. group negotiations on two levels). 3. Chiefly Computing. A test of a product in course of development, carried out by the developer in-house before the product is made publicly available for beta testing. ΘΚΠ the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > specific tests or testing > test of materials or equipment > of machinery or software by developer alpha testing1928 alpha test1964 dog food1993 dogfooding1995 1964 C. H. Reynolds Memorandum in N.Y. Times (1973) 3 June iii. 4/6 I would like only to comment that alpha test for this system is not scheduled for completion prior to the fourth quarter of 1964. 1973 N.Y. Times 3 June iii. 4/4 The memorandums also indicate that I.B.M. bypassed the standard ‘alpha’ tests for much of the S-360 software. 1989 InfoWorld 23 Oct. 110/4 Apple set Hypercard 2.0 into alpha test right before the quake, making a spring intro likely. 1994 N.Y. Times 4 Mar. d5/6 The trial should be considered similar to an alpha test of new software, in that a small number of people would use a product while it was still evolving. 2009 N. Capon Capon's Marketing Framework xiii. 190 Most new products have many in-company alpha tests where firm employees provide critical feedback. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1918
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