Research Methods Hard Q's and weird processes Flashcards
How do you carry out a Stratified Sample? (4 Marks)
identify strata/sub-groups in their population, eg the four different schools
calculate the required proportion from each stratum based on the proportion in the population
select sample at random from each school/stratum/sub-group.
use a random selection method, eg assign each student a number then use a computer,
calculator or random number table to select specified number of numbers between 0 and X (or hat method).
What is the Empirical Method?
- Involves the use of objective, quantitative observation in a systematically controlled, replicable situation to test or refine a theory
- Empirical approach ensures psychologists do not make unfounded claims about phenomena based on a subjective opinion
What is a Theory?
A theory is a collection of general principles that explain observation and facts, acting as a framework and explanation for describing a phenomenon
How do you reference? Book
Authors Name, date of publication, title of book, place of publication, publisher
How do you reference? Journal
Authors Name, date of publication, title of article, journal title, volume, page numbers
Define Reliability
Concerns the consistency of a measure or procedure
Define Internal Validity
Concerns whether a measuring instrument measures what it set out to measure