Select the true statement concerning autism
a. autism symptoms are the same in every individual case
b. there is no genetic basis for the disorder
c. it may be caused by several environmental substances linked to birth defects like heavy metals and pesticides
d. the overall prevalence of autism in the general population is 5-6%
c. it may be caused by several environmental substances linked to birth defects like heavy metals and pesticides
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What would you have to create in order to include categorical predictors in a moderation or mediation analysis?
A. Dummy variables B. Zombie variables C. Z variables D. Extraneous variables
Why should early childhood teachers examine their own practices when they face a challenging behavior?
A. professional teachers reflect on their practices B. it will help them identify the root of the problem C. it will give them insight about their classroom's part in the challenging behavior D. all of these
If Lisa scored a 25 on a standardized test with a mean of 20 and a standard deviation of 5, approximately what percent of the students who took the test had scores lower than hers?
a. 95% b. 85% c. 75% d. 65%
Which example demonstrates an important reason why the influence of the extended family has decreased?
a. The Kowalskis stayed in the same house while the parents changed jobs four times in five years. b. The Tanaka family lived in their house for 25 years. c. The Rodriguez family moved to a new house 10 miles from their old house. d. The Jones family moved to three different cities in five years because of job relocation.