Which statement best characterizes early two-word expressions for children across cultures?
a. There is great variation in the types of words and word combinations used within each culture.
b. Children in all cultures say "allgone" or its equivalent as one of their very first twoword sentences.
c. Children rarely make reference to movement or action words. d. Only English-speaking children use two-word sentences.
a
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Despite the prevalence of psychological problems in the general population, a national survey found that only ______ of 1,600 adults diagnosed with anxiety or depression received appropriate treatment.
A. 10% B. 18% C. 30% D. 41% E. 9%
Jessica is conducting a study of the personality of eighth-graders with high achievement motivation. She discovers from statistical analysis that her test's items are measuring more than one concept. You might tell Jessica that she has a problem with
A. internal consistency. B. reliability. C. statistical significance. D. predictive validity.
The Flynn effect has revealed that the average IQ of entire nations has decreased substantially over the years
Indicate whether this statement is true or false.
When a scientific studyis repeated over and over again, it is known as ________
A) correlation B) introspection C) replication D) significance