Research Methods Flashcards
(32 cards)
Meaning of aim of investigation?
The intent of the study in general terms
Meaning of hypothesis
A prediction (more specific than an aim)
3 types of hypothesis
- Directional hypothesis
- Non-directional hypothesis
- Null hypothesis
Directional hypothesis
Predicts the direction in which results will occur
Non-directional hypothesis
Does not predict the direction of the outcome
Null hypothesis
Would predict that the IV would have no effect
What is a Dependent variable?
The variable the researcher changes
What is a Independent variable?
The variable manipulated by the experimenter that is presumed effect the DV
Extraneous variables meaning
External factors not considered an independent variable that can affect the dependent variables or controlled conditions
Examples of extraneous variables
- Order effect
- Demand Characteristics
- Social Desirability bias
- Investigator effect
Social Desirability bias meaning
Participants may not respond truthfully in an attempt to make themselves look better
Investigator effect meaning
When the Investigator can get too involved in the experiment resulting in a change of results
Order effect meaning
Occurs in a repeated measure where the difference in positioning of tasks affects the final result
Practice effect
Improvement in cognitive test due to repeated exposure to tasks
Boredom effect
Boredom of the task might skew results
what are demand characteristics?
They are cues that might indicate what the study is about to the participant (leading to participant reactivity)
Participant reactivity meaning
occurs when participants have been placed in an experiment situation and try to make sense of it and try to predict the outcome and respond accordingly
Please-U effect
The participant attempts not to ruin experiment and therefore tries to confirm experimenter hypothesis
Screw-U effect
The participant attempts to ruin experimenter’s hypothesis to destroy the credibility of the study
Case study meaning
Collected through in-depth study of an individual, group of people or institution carried out in the real world. They are idiographic and individualistic
Meaning of Idiographic
Understanding individuals in their unique context.
Meaning of Individualistic
more interested in individual people than in society as a whole
How can confidentiality of participants of a case study be achieved?
By making sure individuals are non-identifiable when reporting the case study using different names etc
pros of Case studies
- They are in-depth and this holistic approach is liked by humanist psychoogists who believe it gives a good insight into a person’s experience
- The result of one unusual case study can result in an established theory
- Can be the only method of ethically investigate unusual or extreme human behaviours