Eduqas A-Level Psychology A290QS
Biological Approach
Psychodynamic Approach
Behaviourist Approach
Cognitive Approach
Positive Approach
Comparing the Five Approaches
Core Studies in Social and Developmental Psychology
Planning Psychological Research
Data Handling, Statistics and Mathematical Skills
Evaluating and Validating Research
Personal Investigations and Novel Research Scenarios
Addictive BehavioursAddictive
Autistic Spectrum BehavioursAutistic spectrum
Bullying BehavioursBullying
Criminal BehavioursCriminal
SchizophreniaSchizophrenia
StressStress
Controversies in Psychology
Personal Investigations and Novel Research Scenarios
Personal investigations: applying research methods to first-hand investigations — Inferential statistics
- 3 things to know
- Component 2
Overview
Recall questions on Personal investigations: applying research methods to first-hand investigations — Inferential statistics.
What you need to know
Answer each one before you reveal it.
How would you justify the inferential test chosen for your own investigation?
Name two threats to the validity of an investigation carried out in your own school.
Questions from this subtopic
Each one with the model answer underneath.
- 1
How would you justify the inferential test chosen for your own investigation?
Model answer
By stating whether you were looking for a difference or a relationship, whether your design was related or unrelated, and what level of measurement your data reached.
- 2
How should the outcome of your own inferential test be stated?
Model answer
By comparing the observed value with the critical value for your N or degrees of freedom, then saying whether the null hypothesis is rejected at the 0.05 level.
- 3
How could you assess the reliability of your own observational investigation?
Model answer
By having a second observer independently record the same behaviour using the same operationalised categories, then correlating the two sets of records.
- 4
Name two threats to the validity of an investigation carried out in your own school.
Model answer
Participants who know the researcher may show demand characteristics, and the artificial setting of a classroom task limits how far the findings apply to everyday behaviour.
- 5
Which ethical code must be followed when carrying out these investigations?
Model answer
The British Psychological Society's Code of Ethics and Conduct, which the specification names in its 2009 edition and which has since been revised, must be adhered to throughout, together with the BPS Code of Human Research Ethics.
- 6
State four practical ethical steps to take in a school-based investigation.
Model answer
Obtain valid consent, with parental consent for anyone under 16; make clear the right to withdraw at any time; keep all data confidential by using participant numbers; and debrief everyone fully at the end.
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