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Demonstrates use of standard error, comparison of scores with test norms in interpretation of test scores, and use of percentile bands rather than points. | Presents a lecture by Dr. Scarvia B. Anderson, who demonstrates two important principles of test interpretation--(1) any test score is only an estimate of a student's ability, and (2) percentages are meaningful only if the characteristics of the group on which norms are based are known. Golf pro Ernie Pognotta helps to show similarities in basic principles of measurement in golf and in test scores. Dr. Anderson emphasizes that meaning comes from comparison in interpreting test scores.
Describes the main characteristics of impressionism and contrasts it with the art that prevailed in the era which preceded it. Stress is placed upon impressionism's major characteristics including elimination of details and use of color to produce optical effects in which colors are mixed by the eye. Special attention is given to coloring techniques used in painting such as use of colored dots rather than solid color areas.
An excerpt from the 1949 MGM documentary "A tale of the Navajos."
"It is the story of two boys and of the legends and sacred chants that led them on a great quest through this land of turquoise skies, this land of Eagle and Owl, of Raven and Coyote."
Explains what good body posture is, and a man and a woman demonstrate exercises for improving muscle tone. The value of good shoulder position and a well arched foot is also described and illustrated.
Pictures Seattle, Portland, San Francisco, Los Angeles, and San Diego to illustrate how centers of commerce develop. Shows how the existence of surrounding farmland, forests, and mineral resources give rise to industrial activity, the creation of jobs, and the building of a city and trading center.
Focuses on an inner-city resident's attempts to maintain an old house on his own as a mechanism to review the problems of inner city housing. Explains that the cost of maintaining the home is beyond the inner-city dweller's means and that his landlord is often unwilling to contribute to this effort. Discusses, from a middle-class point of view, the exodus of the middle class to the suburbs and the failure of various programs and modern technology to provide enough inner-city low-income housing.
Uses animation to compare written music symbols with written words and emphasizes that music is a written language with its own symbols. Introduces the five-line staff and the G clef as the basic structures upon which music is written. Shows how to develop pitch memory, introduces a basic rhythmic and tonal vocabulary, and combines these vocabularies into songs.
Alan wants to buy a lathe on the installment plan, Bonnie has to measure windows to see how many yards of material are needed for draperies, and Harry must figure out how many boxes of tile he will need to cover the kitchen floor. Pictures each as he solves his problem, and stresses the procedure--decide what data you need, obtain and organize the data, estimate the result, perform the needed operations, and check your answer.
Discusses the importance of prenatal care of mothers and the eating of proper foods in helping children to develop good teeth. The structure of teeth, the progress of tooth formation, and the process of decay are explained by means of diagrams.
Shows how to select correct rivet sets for stationary and portable squeezers and how to set up and use the stationary squeezer and the portable squeezer.
Indiana University President Herman B Wells urging people to become members of the campaign committee to support Indiana University. He explains that the support of great universities are the most lasting of all investments. "Universities have a life of their own, that maintains the validity and character of a gift. Whether the gift is for faculty, for scholarships, for research, or facilities, there remains always a reflection of the donor's interest."
Presents the spontaneous activities of four- and five-year-old children and what they find interesting in their world. Shows the four-year-olds mastering their familiar world through vigorous group play, sensory pleasure, make-believe, and use of materials and words. Presents five-year-olds as entering the more formalized, enlarging world of older children--playing games with simple rules, seeking facts, wondering, and using letters and numbers. Points out that teachers should follow the lead of the child's curiosity and should provide the child with activities that will prepare him for later instruction.
Discusses the extension of the senses through a variety of techniques that enables man to study events of short duration; uses analysis of a lighting flash as an example. Questions posed about lightning include: duration of lightening flash, direction of travel, and cause of flicker. Timing devices used include several special photographic techniques, using moving and highspeed cameras, pen recorders, and the oscilloscope. The theory behind each device is explained.
In this film, impairment of skilled acts by disorders of coordination is demonstrated. Also shown are cases of paresis or paralysis of participating muscles; hemiplegia; ataxia in multiple sclerosis; parkinsonism with akinesia and rigidity, and apraxia. Film 6 in Columbia University educational films teaching collection.
An elementary school orchestra, rehearsing for a school program, is having some difficulty in keeping the rhythm. The teacher illustrates familiar kinds of steady beat with a stethoscope, pulse rate, a clock, and a metronome. The drummer illustrates accented beats, and members of the orchestra play tunes in each rhythm. The rhythm of the piece they were practicing becomes clear, and the rehearsal proceeds.
Points out that there are possibly 30,000 solar systems which have conditions suitable for life. Illustrates how the spectroscope can determine the temperature, composition, and other information about distant stars by analyzing their light. Describes how mathematics and the various sciences help predict that life on other planets would be comparable to that found on earth.
Includes harbor activities at the ports of San Francisco, Puget Sound, San Diego, Los Angeles, and Portland. Also shows how Los Angeles, lacking a good natural harbor, built one by erecting huge breakwaters at nearby San Pedro.
