Quantitative Research Flashcards
What isn’t a key feature of quantitative research?
The results must being described in words only
A quantitative methodology is only concerned with:
Phenomena that can be objectively measured
What is a null hypotheses?
Where a statement is made about there being ‘no difference’ between groups
What is the AIM in quantitative research?
The overall /broad statement of what you intend to do
What is the study sample?
patients drawn from the study population
Why are treatments randomly allocated to patients in a controlled trial?
It prevents certain types of bias
What allocation method is least likely to achieve balance of characteristics between groups?
Simple randomisation
wHAT IS THE DEPENDENT VARIABLE?
tHE OUTCOME OF INTEREST
What is the independent variable?
The intervention factor
What is probability sampling?
Sampling method that gives an unbiased sample where everyone has chance of selection
What is non-probability sampling?
Non-random method where chance of selection can’t be estimated
What is simple random sampling?
Random selection of everyone in population list.
What i stratified random sampling?
Grouped by characteristics & THEN randomly selected
What is cluster sampling?
Random selection of larger units (eg hospitals) which participants are then randomly selected from
WHat is systematic sampling?
Random selection at predetermined intervals
