Research Methods Flashcards
(56 cards)
Alternate Hypothesis
A statement which predicts a difference or correlation in results
Hypothesis
A statement predicting the outcome of research
Null Hypothesis
A statement which predicts no difference or correlation in results
Variable
Anything that is open to change
Independent Variable
Something the researcher changes or manipulates
Dependent Variable
Something that is measured to see if it has changed (after an. Independent variable has been manipulated)
Extraneous Variable
A variable (which is not the independent variable) but could affect the dependent variable if not controlled
Standardisation
A way of controlling extraneous variables; to keep variables the same across conditions
Experimental Design
A way of allocating participants to conditions in an experiment
Repeated Measures Design
An experimental design in which participants take part in each condition
Independent Groups Design
An experimental design in which participants are different in each condition
Sample
A smaller group selected from a larger population
Target Population
The entire set of people researchers want to generalise their results to
Representative
An accurate reflection of a larger group
Random Sample
A sample for which everyone in the target population has an equal chance of being chosen
Opportunity Sample
A sample drawn from the target population because they are available and convenient
Ethical Considerations
Issues of research that take into account the welfare of participants
Informed Consent
When participants agree to take part in a study and also know what the aim of the study is
Right to Withdraw
When participants are allowed to stop participating in a study or can stop the study altogether
Confidentiality
Protecting the identity of participants by not revealing names and other details
Experiment
A method by which the researcher controls variables and measures their effect
Laboratory Experiment
An experiment carried out in a controlled environment
Field Experiment
An experiment carried out in a natural environment
Self Report
When participants report their own experiences