Mock Flashcards
mundane realism
How a study mirrors the real world
internal validity
measures what its supposed to measure
replication
repeating an experiment to see if the same results can be achieved
null hypothesis structure
There will be no difference/relationship between ____ and ___ and any difference/relationship that does occur does so by chance.
measures of central tendency
mean, mode, median
measures of dispersion
range, standard deviation
what does ‘standard deviation’ mean
- Provides a rough idea about the dispersion of the scores which are around the mean
- The smaller the standard deviation, the narrower the range
when is normal dispersion likely to occur
when we have a large population
Likert scale questions
provide a scale for participants to select their strengths of agreement or disagreement
dichotomous questions
offering two choices
semantic differential questions
bi-polar words present with spaces between them for participants to indicate the point between the two representing their strength of feeling.
positive correlation
as one variable increases, the other does too
negative variable
as one variable increases, the other decreases
zero correlation
the two variables are not related at all
who has developed ethnic guidelines
The British Psychological Society