If we want to test proportions, one wrong way to do so is to
a. put the proportions themselves directly into the chi-square formula.
b. convert proportions to frequencies.
c. take the difference in proportions and turn it into a z score.
d. You can't do any of these things.
A
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During middle childhood, children master many types of skills that earlier they could not perform well, such as riding a bike, ice-skating, swimming, and skipping rope, all of which involve ____________ skills
a. fine motor c. muscle b. gross motor d. none of these answers
Dana, a threeyearold autistic child, is being taught to answer questions with a "Yes" or a "No."
She was given verbal praise and the cookie when she answered "Yes" to questions like "Do you want a cookie?" (a preferred food) and "No" when she answered "No" to questions like "Do you want corn?" (a nonpreferred food). Additionally, she was praised if she answered "Yes" to questions like "Does a cow say ‘moo'?" or "No" to the question, "Is this a shoe?" when shown a picture of a boat. This productive behavior is being encouraged by arranging which of the following so they are response contingent? a. antecedents b. conditioned stimuli c. reinforcers d. cognitions