A researcher wants to determine how citizens of Indianapolis feel about the mayor's proposed changes for the Indianapolis public school system. Which of the following sampling procedures would you recommend to this researcher?
a. Insert a questionnaire in the magazine, Indianapolis Monthly, and ask readers to complete and return the questionnaire.
b. Procure a list of voters from the city clerk's office and draw a random sample to receive the questionnaire.
c. Draw a random sample from the Indianapolis telephone directory to receive the questionnaire.
d. Take a random sample of 100 blocks from a city map and interview all the adults in those blocks.
Question 2
Which of the following represents Vygotsky's concept of a psychological tool?
a. gestures
b. formulas
c. memory techniques
d. All of these answers.
A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale.
Using Parallax to Determine Distance
China's proposed supercollider plans to be twice the size of the Large Hadron Co
Emerging adults often feel adult in some ways but not others.
If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle
If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle