High school math teachers are surveyed every three years to identify new innovations in teaching math. This is an example of a ____ survey
a. cohort c. trend
b. panel d. cross-sectional
C
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Only children have been found to be extremely dependent on others when they grow up.
Answer the following statement true (T) or false (F)
Breasts are an example of which type of sexual characteristic?
A. primary sex characteristics B. secondary sex characteristics C. tertiary sex characteristics D. minor sex characteristics
As children begin to expand their production of language it is important to have
a. bi-lingual children in the classroom. b. multiage children in the classroom. c. staff members who speak more than one language. d. time to listen to them.
Answer the following statement(s) true (T) or false (F)
Researchers use inferential statistics to make decisions about characteristics in a population based on data measured in a sample.