Although the exact cause of autism spectrum disorders is still under investigation, it is generally recognized that the syndrome
a. is acquired and is probably the result of a disturbance in the parent-child relationship
b. is acquired and is probably the result of subtle poisoning, such as lead poisoning or vaccine reactions
c. is organic and probably has a genetic component
d. is organic and probably the result of a specific, discrete mutation on the FOX2P gene which has been found in virtually all children with ASD
c
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Answer the following statement(s) true (T) or false (F)
Stratified random sampling ensures that certain characteristics, subgroups, or strata in a population are represented in a sample.
A general case analysis is a systematic method for selecting teaching examples that represent the full range of stimulus variations and response requirements in the generalization setting
Indicate whether the statement is true or false
Obstacles come in many forms. Which of the following are typical obstacles in a work environment?
a. complex design process b. resistance to change c. loud, shared work space d. all of these
Three-year-old Samantha clung to her mother and cried vigorously every morning when she was brought to the St. Mary's Childcare center. Ms. Brines began phoning Samantha's mother after she had settled down to play after having discussed this strategy with the family in advance. What Characteristic of effective family involvement is this?
A. Collaboration B. Variety C. Intensity D. Individuation