Given that on one section of the SAT the mean is 500 and the standard deviation is 100, what is the approximate probability of a student scoring 300 or higher on the test?
a. 0.98
b. 0.02
c. 0.12
d. 0.75
a
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Cody, a 17-year-old senior, was first diagnosed with ADHD when he was 5 years old; however, his parents chose not to have him take medication. As a young adult, Cody is at risk for using ________
Fill in the blank(s) with correct word
Personality traits are relatively fixed by age 20.
Answer the following statement true (T) or false (F)
The threat to validity that occurs as a result of a natural development that occurs between pre- and post- measurement is called a(n) ____ threat
a. history b. maturation c. instrumentation d. testing
The scientific approach that is concerned with discovering how changes in the environment can lead to changes in measurable behavior is:
a. structuralism b. functionalism c. nativism d. behaviorism