Question

question 24 (1 point)
dr. schultze conducts research on the effects of a
new drug on obsessive-compulsive disorder. in his
study, neither schultze nor the participants knows
who is receiving the active drug and who is
receiving the placebo. this example describes
a social desirability bias.
a single-blind study.
a control factor.
a double-blind study.
random sampling.
question 25 (1 point)
in an experiment, the ______ group receives the
manipulation of the independent variable.
experimental
control
dependent
random
independent

Explanation:

For Question 24: A double-blind study is defined as a research design where neither the researchers nor the participants know who is in the experimental group (receiving the active treatment) and who is in the control group (receiving a placebo). This matches the scenario described.
For Question 25: In experimental research, the experimental group is the group that is exposed to the manipulation of the independent variable, while the control group is not.

Answer:

Question 24: a double-blind study.
Question 25: experimental