Research methods Flashcards
Abstract
The key details of a scientific report which comes at the start of the report.
Bias
Where certain groups maybe under or over - represented within the sample.
Case study
A research method that involves a detailed study of an individual.
Coding
The stage of content analysis in which the communication to be studied is analysed by identifying each instance of the chosen categories.
Confounding variable
Any variable, other than the IV that may have affected the DV, is found after the study.
Content analysis
An observational study in which behaviour is observed indirectly from pre - existing materials.
Continuous data
Data that is not in categories.
Correlation
A mathematical technique which investigates the relationship between 2 co - variables.
Correlation coefficient
A number between -1 and +1 that represents the direction and strength of the relationship between co - variables.
Counterbalancing
A method used to control for order effects in a repeated measures design.
Debrief
A post - research interview designed to inform ppts of the true nature of the study and return them to their pre - experimental state.
Deception
An ethical issue where a ppt is not told the true aims of the study and cannot give informed consent.
Demand characteristics
Any cue from the researcher or the situation that may be interpreted by the ppts as revealing the purpose of the investigation.
Dependent variable
The variable that is measured.
Descriptive statistics
The use of tables, graphs and summary methods to identify trends in the data.
Directional hypothesis (one - tailed)
A hypothesis which states the direction of difference or relationship.
Discrete data
Data that can only take certain values.
Ecological validity
The extent to which findings from a research can be generalised to other settings and situations. A type of external validity.
Extraneous variable
Any variable, other than the IV, that may affect the DV if not controlled before the experiment.
Falsifiability
The principle that a theory cannot be considered to be scientific unless it admits the possibility of being untrue.
Field experiment
An experiment that takes place in a natural setting.
Generalistaion
The extent to which findings and conclusions from an investigation can be applied to the population.
Hypothesis
A precise statement that states the relationship between the variables to be investigated.
Independent variable
The variable being manipulated.
Independent groups design
An experimental design where ppts are allocated to different groups where each group represents an experimental or control condition.
Informed consent
An ethical issue whereby ppts must be given information concerning the nature and purpose of the research for them to make an informed decision about whether to participate.