Maria has the following math error on her test: 5 × 7 = 38. How would you analyze this error?

a. Place value
b. Computation facts
c. Wrong process
d. Working from right to left
e. Not lining up the numbers


ANSWER: b

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Which of the following is the term for a substance taken by a pregnant mother that can harm the developing fetus?

a. toxoplasmosis b. intrauterine growth hormone c. dopamine d. teratogen

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Children with disabilities cannot be ____________________ from a preschool program because they have not mastered certain skills

Fill in the blank(s) with correct word

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The American Academy of Pediatrics recommends that children under 2 years of age:

a. only watch TV with an adult who is watching as well. b. spend no time watching TV or engaging with other electronic media. c. spend no more than 2 hours a day watching TV and engaging with other electronic media. d. have a carefully controlled TV schedule.

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A researcher measures the mean time (in seconds) it takes two groups of children to complete an activity task. She finds that Group A (M = 22 s) completed the task more quickly than Group B (M = 36 s). She then computes a weighted mean for both groups combined and calculates a weighted mean equal to 26. Based on the information provided, which group had a larger sample size?

A. Group A. B. Group B. C. The sample size is equal in both groups. D. It is not possible to know this without knowing the sample size for each group.

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