• 50. Tobin conducted a study in which he randomly assigned participants to two
treatment conditions to test if there were differences by treatment on the number of
classroom referrals. He then interviewed selected students regarding their experiences
with the two treatments. In the results section of his study it is unclear at times from
which data he has drawn his conclusions. This flaw is most directly related to reporting
of ____________ research study.
a. Experimental
b. Mixed methods
c. Narrative
d. Corrleational
• 51. Chyleen owns a child care center for young children. She conducted a study of
parents’ perceptions of the need for structure in early learning environments. She was
careful to report how her findings would benefit her practice as an early childhood
learning professional. Chyleen’s research would best be described as
a. ethnographic.
b. experimental.
c. action.
d. correlational.
• 52. Ntozake conducted a study in which she observed bullying in a middle school
physical education environment. She conducted the study over a three-week time period.
This may not have been long enough to combat observer effects. This illustrates which
of the following concerns with conclusions from Ntozake’s study?
a. An instrumentation threat
b. An internal validity threat
c. A history threat
d. An external validity threat
53. Of the following, which is a concern for correlational studies in particular?
a. Is the method used to record responses described?
b. Is the rationale for variable selection described?
c. Is a rationale for the design selection given?
d. Is the method for group formation described?
• 54. Tom conducted a study that examined gender differences in ability to learn
physics concepts from computer games. In his study he found men learned better
from games than the women. He hadn’t, however, controlled for amount of game
playing or interest in physics. These lack of controls are a flaw in Tom’s
a. survey study.
b. causal-comparative study.
c. correlational study.
d. experimental study.
• 55. When reviewing a research report that examined on-task behavior of ADHD
children in various settings, Sue was confused because the data did not support
the recommendations for practice provided by the researchers. This
overgeneralization is a flaw in the ______________ in the report.
a. statement of hypothesis