What is the mean square (MS) between-group?
To study the effects of common drugs on cognitive performance, a researcher randomly assigned college students to one of three conditions. One group of students was served two cans of beer, another group was served two cups of coffee, and the third group (the control group) was served two glasses of orange juice. Then each participant was given a test of logical reasoning and the number of errors was recorded.
Alcohol Caffeine Orange Juice/Control
15 9 6
20 8 4
10 10 10
12 13 11
13 12 6
Ans: 54.6
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The purpose of taking dictation in the Language Experience Approach is to:
A. correct the child's grammar. B. allow children to see their own ideas in print. C. write down what the child should say. D. record your thoughts about frogs.
Answer the following statements true (T) or false (F)
13. Authoritarian parenting styles have been found to be the most successful for working with teenagers. 14. The peer group loses its influence when children become adolescents. 15. The peer group loses its influence when children become adolescents. 16. More adolescent boys than girls are affected by eating disorders such as anorexia nervosa and bulimia.
Height, time, age, and temperature are considered to be ______.
A. factors B. correlational C. causal D. variables
Chomsky's innatist view of language acquisition has been criticized because it:
a. fails to account for ways mothers help infants acquire language b. focuses primarily on language learning in the preschool years c. posits imitation as the main variable in child language acquisition d. suggests that infants are passive receivers of maternal language