_____ sampling is a sampling technique that involves ensuring that the sample is like the population on certain characteristics but uses convenience sampling to obtain the subjects
a. Quota
b. Random
c. Stratified random
d. Cluster
a
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In the early 1900s, children with enuresis were considered ____
a. evil b. medically compromised c. behaviorally disturbed d. willful and defiant
With concrete operational thought, children can
think logically about tangible things. think logically about abstract ideas. consistently make good decisions. solve most problems on their own.
The degree of statistical association between two variables is the focus of _____ designs
Fill in the blank with correct word
Research on nutrition indicates that __________
A) the percentage of children who eat dinner with their families increases slightly between ages 9 and 14 B) eating dinner with parents leads to a diet higher in fast foods and soft drinks than eating alone C) mild nutritional deficits rarely affect growth or cognitive functioning in middle childhood D) insufficient dietary iron and folate are related to poorer concentration and mental test performance