To compute the expected frequencies for a chi-square test for independence, we use which of the following formulas?
A. k – 1
B. p(n)
C. (row total + column total)/grand total
D. (row total ? column total)/grand total
Ans: D
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David Elkind first expressed his concern about the valuation of work over play in _____________ in 1981
Fill in the blank(s) with correct word
All of these are assumptions of the social interactionist approach EXCEPT
a. parents insist on teaching their children social routines b. operant conditioning causes children to correctly use morphological rules c. social play between mothers and infants forms the basis of later conversational patterns d. CDS facilitates language learning
Proactive aggression can be defined as carefully planned and designed with clear purposes:
a. to act with aggressive intentions b. to obtain some material benefit (robbery) c. to exert power over others (bullying) d. to increase one's social status (risk-taking behaviors) e. all of the above
With respect to cochlear implants, the Deaf community
a. has embraced them for their children. b. has not fully accepted them because of a negative impression of deafness. c. sees no need for the technology in their culture. d. is diminishing as a result of their proliferation.