the subjects were preschool children aged 2.5-3 years. there were 100 little girls and 100 boys. all were children of blue collar workers. ninety of children had english as second language. the experiment was conducted in english. they tasted 10 ml. sample of 400 mM Nacl, 300 mM sucrose , 200 quinine sulfate and 25 mM citric acid. all were made from reagent grade chemicals (Zocor chemicals lnc.,Fresno.,CA. ), dissolved in distrilled water.
they were given toy animals mand of plastic (Farmyard pets,Conderbrats, lnc. Anaheim,CA), in standard colors matched to Munsell color numbers. they were: