This assumes that an effect or relationship does not exist in the population.
A. null hypothesis
B. void hypothesis
C. alternative hypothesis
D. pseudo hypothesis
Answer: A
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Two observers record similar observations on a behavioral rating scale for a group of children they are watching. The researchers have established what kind of reliability?
a. split-half reliability b. internal reliability c. test-retest reliability d. inter-rater reliability
It is rare for children to have imaginary friends
Indicate whether the statement is true or false
Behavior modification eliminates undesirable behaviors by
A) exposing children to group therapy. B) having patients talk freely about painful childhood events. C) improving children's social settings, such as school and home. D) combining conditioning and modeling.
Children with dyslexia have difficulty:
a. learning how to read b. with writing c. with math d. with focusing attention on anything long enough to learn it