IBCLC - Certification Research and Evidence-Based Practice Flashcards
6 cards from real IBCLC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 IBCLC - Certification Research and Evidence-Based Practice flashcards as text
What study design is considered the gold standard for evaluating the effectiveness of a breastfeeding intervention?
Answer: Randomized controlled trial
Randomized controlled trials minimize bias through random assignment and are the gold standard for evaluating clinical interventions.
In evidence-based practice, a systematic review of randomized controlled trials represents which level of evidence?
Answer: Level I
Systematic reviews and meta-analyses of RCTs are classified as Level I evidence, the highest level in the evidence hierarchy.
What does NNT (number needed to treat) represent in clinical research?
Answer: The number of patients who must receive treatment for one to benefit
NNT is the number of patients who need to receive a treatment for one additional patient to benefit compared to a control condition.
Which statistical measure indicates the strength and direction of a relationship between two variables?
Answer: Correlation coefficient
A correlation coefficient (r) ranges from -1 to +1 and indicates both the strength and direction of a linear relationship between two variables.
Which bias occurs when study participants alter their behavior because they know they are being observed?
Answer: Hawthorne effect
The Hawthorne effect occurs when participants change their behavior as a result of being aware that they are under observation.
What is the IBCLC's primary obligation when applying research findings to clinical practice?
Answer: Integrate best evidence with clinical expertise and client values
Evidence-based practice integrates best available research evidence with clinical expertise and the client's individual values and circumstances.