Dr. Peters conducted a study to examine the effects of family income on the types of attachments ...

Dr. Peters conducted a study to examine the effects of family income on the types of attachments that infants form with their primary caregivers. Because the participants were not randomly assigned to groups, Dr. Peters
 
  a. cannot conduct any informative statistical analyses.
  b. must redo the study with randomly assigned groups.
  c. cannot conduct a quasi-experiment.
  d. must be cautious when interpreting the results of his study.

Question 2

With respect to classroom management, effective teachers
 
  a. do not need to plan structured lessons.
  b. spend time disciplining problem students.
  c. allow ample time to transition between classroom activities.
  d. maximize the time spent in actual learning.

Question 3

When a researcher conducts a quasi-experiment, he or she must be careful how the results are interpreted because
 
  a. participants are not randomly assigned to conditions.
  b. participant reactivity is a problem in quasi-experimental designs.
  c. there are very few statistical tests to accommodate the data from quasi-experimental designs.
  d. the researcher has too much freedom to manipulate the independent variable(s).

Question 4

Carla is a high achiever in school. Relative to low achievers, which of the following statements is true?
 
  a. Carla is likely to receive more criticism.
  b. Carla is likely to receive less attention in class.
  c. Carla is likely to be given more time to answer questions.
  d. Carla is likely to become more anxious.