VCAA Psychology How is scientific inquiry used to investigate mental processes and psychological functioning?
5 sample questions with marking guides and sample answers
This question refers to modified data collected in the investigation by Grant et al. (1998).
| Test condition | Study condition: Silent | Study condition: Silent | Study condition: Noisy | Study condition: Noisy | |
|---|---|---|---|---|---|
| Mean score | Standard deviation | Mean score | Standard deviation | ||
| Short answer test (/10) | Silent | 6.7 | 1.2 | 5.4 | 1.9 |
| Short answer test (/10) | Noisy | 4.6 | 1.1 | 6.2 | 2.2 |
| Multiple choice test (/15) | Silent | 14.3 | 1.5 | 12.7 | 1.6 |
| Multiple choice test (/15) | Noisy | 12.7 | 1.6 | 14.3 | 1.7 |
Which of the following conditions resulted in the best student performance?
silent short answer test with the silent study condition
silent short answer test with the noisy study condition
silent multiple choice test with the silent study condition
silent multiple choice test with the noisy study condition
This question refers to modified data collected in the investigation by Grant et al. (1998).
| Test condition | Study condition: Silent | Study condition: Silent | Study condition: Noisy | Study condition: Noisy | |
|---|---|---|---|---|---|
| Mean score | Standard deviation | Mean score | Standard deviation | ||
| Short answer test (/10) | Silent | 6.7 | 1.2 | 5.4 | 1.9 |
| Short answer test (/10) | Noisy | 4.6 | 1.1 | 6.2 | 2.2 |
| Multiple choice test (/15) | Silent | 14.3 | 1.5 | 12.7 | 1.6 |
| Multiple choice test (/15) | Noisy | 12.7 | 1.6 | 14.3 | 1.7 |
A valid inference that may be drawn from the data is that
silent study conditions result in better test performances.
matching study and test conditions result in higher test scores.
contrasting study and test conditions result in higher test scores.
multiple choice tests are a better measure of overall performance.
Julius has recently become worried about changes in the behaviour, of his eight-year-old son, Nick. He has found toys in his room with the stuffing pulled out and the arms cut off and he recently had a fight with another child at school.
The behavioural change began when Nick started playing a new video game called ‘Nicholas the Destroyer’. The game follows the story of a boy called Nicholas, who destroys evil toys, and a girl called Diamond with the power to heal toys.
Nick has been playing the game with his friend Stacy, who has not shown any behavioural changes. However, Julius is convinced that the game has something to do with the change in Nick’s behaviour and is looking to find some research to better understand what has happened and why Nick has been affected, but Stacy has not.
He comes across the work of Bandura but decides that he should not test this on the children as he is worried about some of the ethical practices in the study.
Write an extended answer that demonstrates Science inquiry and Psychological knowledge and understanding in relation to the scenario above.
In your answer you must:
- define ‘social learning theory’
- outline the process of observational learning described by Bandura
- state the aim, describe the method and outline the findings of Bandura, Ross and Ross’ (1961) study
- apply the process of observational learning to Nick
- with reference to observational learning, explain why Nick’s behaviour changed but Stacy’s did not
- outline the ethical guidelines and practices related to human participants in research
- discuss two ethical concerns associated with Bandura, Ross and Ross’ (1961) experiment
- use appropriate psychological terminology
- acknowledge sources of information using appropriate referencing.
Angelique wanted to do a study looking at the impact of parents’ singing on toddlers’ aggression levels. She developed two methods by which she could gather data for the study.
In the first method, she had 100 parents tally the number of times they sang in front of their children over a week and rate their child’s general aggression level for that week from 0–10.
In the second method, she had 100 families volunteer to take part. Fifty agreed not to sing in front of their children at all and rate their aggression levels. The other 50 families were asked to sing around their children fifteen times each day for a week and rate their aggression levels using a well-known aggression scale.
Identify which method is experimental and give two reasons for your answer.
Explain what is meant by non-experimental research.
List three characteristics of non-scientific research.
Design an operational hypothesis for one of her studies.
While Angelique came up with these two methods for collecting data, she also considered a third. Parents were able to send children to a residential insect-hunting camp. She asked the toddlers if she could do a study on them and they said ‘yes’. Of the toddlers that attended, she sang to half of the group and did not sing around the second half. She would personally rate their aggression levels over a week and then plot the data. Aside from the logistics, this raised two big ethical issues for Angelique and she decided not to pursue this study design.
Identify and explain the two main ethical issues, aside from deception, in the study above.
Bert is an older man living on the West Coast of Australia who read an interesting study on the behaviour of magpies on the East Coast of Australia. This study recounted a story of a young girl who befriended a tribe of magpies by feeding them a variety of foods. Bert began planning a study to see if his local magpies would behave in a similar way and become his friend if he fed them in his suburban front yard.
A high-quality research design will consider the practical issues associated with collecting data. Practical issues are those elements of the research design that can impact upon the realistic conduct of the research or the standardisation of procedures between participants.
Deduce one practical consideration Bert would have to address in his study design for each of the elements below.
List three steps associated with planning psychological research.
Subject sampling
Data collection method
Procedure
Define 'reliability' in research by applying the concept to Bert's study.
To provide a result that can be generalisable, a research design should have a high degree of validity.
Argue whether Bert's study is likely to have high or low levels of validity, giving two reasons for your response.