research methods 1.2 Flashcards
what is the research aim
Identifies purpose of investigation
what is a null hypothesis
No difference will be found in the results between the conditions
what is an alternative hypothesis
Significant difference in the results between the two conditions
what is an one tailed hypothesis
States the specific direction the researcher expects the results to move
what is a target population
Set of people researchers want to find out about
what is a two tailed hypothesis
States that a difference will be found between the conditions of the independent variable
Does Not state direction of results
what is a sample
small set of people taken from the target population
what does representative mean
how well a sample reflects the target population
what are the four types of sampling
- random
- snowball
- opportunity
- self selected
what is random sampling
Every member of the population has a fair and equal chance of taking part
what is snowball sampling
Participants are recruited through being friends/colleagues of existing participants
what is opportunity sampling
Anyone who is available at the time of your research
what is self selected sampling
Participants choose themselves to take part in the study
what is an independent variable
What you change
what is a dependant variable
What you measure
