If a researcher chooses a confidence level greater than the 95%, which of the following will occur?
a. a smaller confidence interval that contains the population mean
b. a larger confidence interval that contain the population mean
c. a loss of precision in estimating the sample mean
d. a loss of precision in estimating the population mean
b. a larger confidence interval that contain the population mean
You might also like to view...
The fact that young children's articulation problems often disappear by themselves over time indicates why researchers must use ____in order to have internal validity
a. control groups b. informed consent c. objective measurement d. pre- and postmeasures e. statistical analysis
Which of the following is NOT an example of nonverbal communication?
a. Your dog scratches at the door to be let out. b. Two friends glance at each other and smile. c. A couple uses sign language on the subway. d. A child with autism screams rather than coming into the classroom.
How does differential treatment show up in preschool?
What will be an ideal response?
The signs that a child is being physically abused are always very obvious and observable
Indicate whether the statement is true or false