Justin's mother believes that justin, a nine-month-old, is still in piaget's sensorimotor stage of cognitive development. to test this belief, which of the following could she try? select one:
a. see whether he knows how to turn on the tv by using the remote controlb. hide his favorite toy underneath a couch cushion and see whether he looks for itc. place a brightly colored mobile above his crib and see whether he reaches for itd. ignore him when he cries and see how long he continues to cry

What is meant by a symmetrical unimodal distribution? a. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. b. a distribution is a pattern of frequencies for the various values of a variable collected in a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. c. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is a uniform frequency, meaning the frequency of every value is same, and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other.

No creative answers only the right onesanswer asapif you learned oratory, what could you do? a. give good speeches b. understand the law c. make fun of peopled. race chariots

Explain what commentary austen is making about social conversation based on this excerpt. your answer should be at least 150 words.