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2. Natural Color System - Wikipedia

   en.wikipedia.org/wiki/Natural_Color_System

   Colors in the NCS are defined by three values, expressed in percentages, specifying the degree of blackness (s, = relative visual similarity to the black elementary color), chromaticness (c, = relative visual similarity to the "strongest", most saturated, color in that hue triangle), and hue (Φ, = relative similarity to one or two of the ...

3. Color preferences - Wikipedia

   en.wikipedia.org/wiki/Color_preferences

   Infants as young as 12 weeks old exhibit color preferences. [2] Generally, children prefer the colors red/pink and blue, and cool colors are preferred over warm colors. Color perception of children 3–5 years of age is an indicator of their developmental stage. Color preferences tend to change as people age. [3]

4. Montessori sensorial materials - Wikipedia

   en.wikipedia.org/wiki/Montessori_sensorial_materials

   The pieces are stored in a box with two hinged opening sides. The color pattern of the cube is painted all around the outside of the box (except the bottom). The material is not designed for math education until the elementary years of Montessori education. In the primary levels (ages 3-6), it is used as sensorial material.

5. Metamerism (color) - Wikipedia

   en.wikipedia.org/wiki/Metamerism_(color)

   A classic example is the automobile industry: the colorants used for interior fabrics, plastics and paints may be chosen to provide a good color match under a cool white fluorescent source, but the matches can disappear under different light sources (e.g. daylight or tungsten source). Furthermore, because of the differences in colorants ...

6. Grassmann's laws (color science) - Wikipedia

   en.wikipedia.org/wiki/Grassmann's_laws_(color...

   Grassmann's laws describe empirical results about how the perception of mixtures of colored lights (i.e., lights that co-stimulate the same area on the retina) composed of different spectral power distributions can be algebraically related to one another in a color matching context.

7. Matching colors - Wikipedia

   en.wikipedia.org/wiki/Matching_colors

   Matching colors or (in British English) colours usually refers to complementary colors, pairs or triplets of colors that harmonize well together. Matching colors may also refer to: Color management , the matching of color representations across various electronic devices.

8. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Class-size reduction - Wikipedia

   en.wikipedia.org/wiki/Class-size_reduction

   Its benefits are particularly pronounced for lower-income students and children of color, who experience two to three times the gains from smaller classes. Smaller classes have also been found to have a positive impact on school climate, student socio-emotional growth, safety and suspension rates, parent engagement, and teacher attrition ...