(p. 130) Within a year and a half, most infants have learned many of the basic motor skills.
Answer the following statement true (T) or false (F)
True
Within a year and a half, most infants have developed motor skills such as arm-hand coordination, crawling, sitting, and walking. Young children begin to make sense of their world through movement, muscular coordination, and the organization of perceptions.
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Particular risk factors for poverty for families are a. single parenthood
b. low educational attainment. c. part-time or no employment. d. all of these answers.
Toddlers who consume milk to the exclusion of foods from the other food groups are in danger of developing:
a. obesity b. iron-deficiency anemia c. rickets d. headaches and dermatitis
To effectively support ELL students, teachers need training in _____.
a. literature b. economics c. second language acquisition d. history of languages
Calculate the 90% confidence interval for a sample of N = 29 with a mean 
= 137.98 and standard error of the mean 
= 4.98.
a. 90% CI = 137.98 ± 8.47 b. 90% CI = 137.98 ± 13.76 c. 90% CI = 137.98 ± 6.68 d. 90% CI = 137.98 ± 10.20