Educational guidance : an experimental study in the analysis and prediction of ability of high school pupils / by Truman Lee Kelley.

  • Truman Lee Kelley
Date:
1914
Catalogue details

Licence: In copyright

Credit: Educational guidance : an experimental study in the analysis and prediction of ability of high school pupils / by Truman Lee Kelley. Source: Wellcome Collection.

    115/134 (page 103)
    Since Spts. and Ents. are highly correlated, the weights assigned to them above are somewhat too high. A small amount is arbitrarily deducted from the above weights. The final weights assigned are as follows: Spts WTs .058 Ents .026 Vocs .119 F of A -.168 Wds .265 Mags .338 Bks .020 These weights, divided by the respective standard deviations, give the multi- pliers of the various measures used to obtain a single interest and information test grade. The single grade for the interest and information test in its bear- ing on English (Ei) is accordingly given by the following equation: fin the following equation the letter E indicates that the grade assigned is in relation to Enghsh.) . 1515 Ei = . 0295 (Espts) “b. 0074(EEnts) ~1~ • 0578 (Evocs) — . 0392(F of A) “b. 0637 (Ewds) b • 1515 (EMags) ~b • 0082 (Esks) (.1515 is taken for convenience, to make the coefficient of EMags equal to unity.) Ei = . 195 (Espts) “b • 048(EEnts) ~b • 382(Evocs). 259 — (F of A) -b. 420(Ewds) +1.00 (EMags)+ . 054 (Esks), or, for practical purposes, Ei = . 2 (ESpts) + . 0^ (EEnts) 4 • 41(EVocs) — . 2y (F of A) -b . 4 (Ewds) ~b 1.0 (EMags) + . 0§ (Efiks) The same relative weighting is assumed in obtaining a single measure of the interest and information test to correlate with history (H) and with mathe- matics (M), except that the F of A is weighted differently, since >h F of A “ and F of A = *173. The following weighting is used. Hi = . 2 (Hspts) “b • 0^ (HEnts) 4“. 4 (Hy ocs) —. 1 (F of A) 4-. 4 (H wds) 4-1.0 (HMags) 4. Oj (HBks) Mi = 2[.2(Mspts)b .O2 (MEnts) 4.4(Mvocs)4“.0| (F of A)-b.4(Mwds)] The factor 2 in this last equation is simply for the purpose of obtaining a more convenient distribution—by maintaining distributions with 20 or more divisions it is not necessary to correct for grouping or for arbitrary means. Combination of Parts of Interest Test Mi, Ei, Hi, with Reference TO (a) Mathematics, (b) English, (c) History (a) Mathematics. Although the interest test has been graded specifically with reference to mathematics, it may be that the gradings with reference to English and history give some light upon the most probable mathematical standing of the pupil.