The second edition was tried with 140 grade and 141 high school pupils; seven exercises were discarded, and about 1800 grade pupils took the final test in May 1917¶

Claim · All claims
Evidence · 1 study · design r2 · q2
Currency · newest study 1918 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? In March 1917 the forty second-edition exercises were submitted to 140 grade school pupils and 141 high school pupils; seven exercises were discarded, leaving thirty-three, and about 1800 grade pupils took the test in May 1917. → Herring 1918

Evidence¶

Herring 1918¶

Herring, J. P. (1918). Measurement of some abilities in scientific thinking. The Journal of Educational Psychology, IX(10), 535-558. https://doi.org/10.1037/h0075736

q2 · i? · design · r2

Tryout of the second edition with grade and high school pupils; the article reports the printed counts 140, 141, seven discarded, thirty-three retained, and separately that "About 1800 grade pupils took the test in May, 1917." No effect size is printed.

"In March, 1917, the forty exercises of the second edition were submitted to 140 grade school pupils and to 141 high school pupils. So far as could be seen most of the exercises were good ones. Seven were discarded, leaving three for each of the eleven abilities,—thirty-three in all."

Discussion¶

Related Claims¶

• The test's exercises were validated by six expert judges who reached practical agreement after modification — related