Research and ethics Flashcards
what is quantitative research
reflects the philosophy that everything in the psychological world can be interpreted through numbers
name 3 circumstances where we should use quantitative research
identify cause and effect between variables
testing specific hypotheses
seeking to project results to a wider population
name 3 strengths of quantitative data
easy to describe and analyse
gives you definitive answer
easier to generalise
name 4 types of quantitative research
questionnaire
experimental
correlational
factorial
what are 4 ways we can measure numerical data
nominal/categorical
ordinal
interval
ratio
what are 2 reasons why we should replicate data
on piece of research does not make it a fact
add validity
what are 2 reasons why we shouldnt replicate research
harder to publish replicated studies
research should push boundaries and build on existing theorie
what are 3 reasons why a researcher would conduct a new piece of research
new sample, group, context
inconclusive findings
limitations of previous research
what is the purpose of experimental research
to statistically test a stated hypothesis
what does it mean if you accept the null hypothesis
any effect observed is due to random variability rather than the prediction made in the hypothesis
what is a hypothesis
a clear and specific prediction about the relationship between 2 variables
outlines how the prediction will be tested
what is a one tailed hypothesis
provides a definitive direction
what is a 2 tailed hypothesis
there will be an effect
what is a null hypothesis
stating there will be no relationship between the variables
what is the hypothetico-deductive model
a model where theories are evaluated by generating and testing hypotheses