Share English for Dentistry RCTs & Research Types May 2026
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What is the starting measurement taken before a treatment begins?
Baseline
Outcome
Placebo
Randomization
What is the result or change measured at the end of a trial called?
Allocation
Bias
Outcome Measure
Baseline
Which group in an RCT receives the standard treatment or a placebo?
Control Group
Random Group
Bias Group
Experimental Group
What is the main goal of 'Blinding' in an RCT?
To improve vision
To save money
To prevent bias affecting the results
To speed up the trial
What is the primary purpose of a Randomized Controlled Trial?
To count patients
To ignore side effects
To describe a population
To prove causality
What is it called when neither the participants nor the researchers know who is in the treatment group?
Triple-blind
Open trial
Single-blind
Double-blind
What is the main goal of Simple Randomization?
To save money
To make the study faster
To increase sample size
To eliminate selection bias
The group getting no chemical intervention is the:
Placebo group
Experimental group
Sham group
Control group
A participant who leaves a study before it is finished is a:
Selection
Allocation
Inclusion
Withdrawal
What is the purpose of Triple-blinding?
To save time
To hide data from the patient
To hide data from the clinician administering the treatment
To hide data from the analyst/researcher
True or False: Standard Treatment can be used as a control in an RCT.
True
False
A fake procedure that mimics a real one is called:
Placebo
Standard treatment
Sham treatment
Randomization
What does p < .05 generally indicate?
Study failed
Sample too small
Statistically significant
Results due to chance
Checking subjects against eligibility criteria before they enter a study is:
Allocation
Screening
Intervention
Follow-up
In an Open Trial, who is blinded?
Only the patient
Only the researcher
Everyone
No one
A sugar pill with no active ingredients is a:
Control
Intervention
Placebo
Sham
