Carl has obtained a sample of 50 high school students in Prince George by listing every high school student in Prince George (i.e., 2000 high school students) and selecting every nth one for his sample. What probability sampling technique is Carl using?
A. Proportionate Stratified Sampling
B. Systematic Sampling
C. Stratified Sampling
D. None of the above
Ans: B. Systematic Sampling
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Dr. Kalmagura plans on introducing a new exam review procedure in his chemistry classes. To check the effectiveness of the new procedure, he is going to have half his students try the new technique for one semester, while the remaining students review in the way they have always done in the past. He asks each student to decide which of the techniques they would like to use, the new technique or
the standard technique. In this example, Dr. Kalmagura's procedure illustrates a. the use of non-random assignment. b. a correlational research design. c. a double-blind research design. d. what is meant by informed consent in research.
The final of Erikson's psychosocial stages involves the crisis of integrity versus _____
Fill in the blank(s) with correct word
Which statement regarding male circumcision is TRUE? a. Health care providers recommend routine circumcision for male babies born in the United States. b. Circumcision has been related to higher rates of cancer of the penis
c. Circumcision is mainly practiced for religious and cultural reasons. d. Mothers are more likely to believe that leaving the foreskin intact will create a more masculine look.
When an individual accumulates a specified number of tokens in a token economy, the tokens are exchanged for ____________ reinforcers
a. conditioned b. backup c. secondary d. negative