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Consent form for participation in this online experiment

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Study Information

Thank you for your interest in our study. Please read the following information carefully. Your participation in this research is voluntary. It is your choice whether to participate or not. Please do not hesitate to write to us at valerio[dot]rubino[at]gmail.com if you have any further questions regarding the study.

1. Purpose

In this study we investigate the ability to recognize the orientations of real-world photographs.

2. Procedure

In the following, you will receive detailed information regarding the procedure of the study.

In the next pages, you will receive more detailed instructions for the task.

You will be presented with images and you will be tasked to identify their orientations.

The duration of the experiment depends on your speed in completing the tasks; on average, it takes 45 minutes.

3. Compensation

You will receive £6 for your participation (base fee) and up to £8.00 in total depending on your performance (base fee + bonus).

4. Screening

Only participants that will reach an accuracy level significantly higher than chance by the end of the second block will be allowed to continue.
Other participants won't be able to continue and receive partial compensation (commensurate to the time they spent on the task).

5. Data protection

Once we have awarded you your bonus payment, your Prolific ID will be deleted from the study data. The experiment data will be stored under a randomly assigned participant number on a server at the University of Tübingen. This means that it will become impossible to link the study data to you. All data collected during this study will be treated confidentially and all individuals with access to your personal data are obliged to maintain data secrecy. We are not responsible for the handling of your personal data using the Prolific platform The study data may also be made publicly accessible via research databases or scientific publications (typically via the internet). This makes it possible for other researchers to check or replicate the results and enhances the quality of scientific research. The study data may also be used for new research questions going beyond the purposes of this particular study. The data is stored anonymously, treated confidentially, and used only for scientific purposes. You are free to withdraw, in which case recorded data will not be used (cf. point 6).

6. Voluntary participation

Your participation in this research is entirely voluntary. There will be no repercussions when canceling your participation.

7. Right to refuse or withdraw

You do not have to take part in this study if you do not wish to do so. You are free to withdraw your consent and do not need to provide a reason for your withdrawal. Participants who drop out of the study for any reason (e.g., technical issues) are eligible for full or partial compensation. Please contact valerio[dot]rubino[at]gmail.com and include a screenshot of the experiment website if possible. If you withdraw from the study before data collection is completed, your data will not be used. If you withdraw from the study after completing the study, but before bonus payments have been processed, you can request the deletion of your data. After the processing of bonus payments, your Prolific ID will be removed from the study data and it will be fully anonymized, making it not possible to link you with your data.

8. Risks

Your participation does not involve any physical or emotional risk to you. You are free to withdraw at any time.

9. Insurance coverage

Not necessary for participating in this study.

10. Responsible contact

If you have questions or if there are any problems, please contact valerio[dot]rubino[at]gmail.com. You can also use this email to request the withdrawal of your data.

Consent

By clicking on the button below, you agree to the following:

• I have read and understood the conditions outlined above. I consent to participate in the study and agree to the collection, storage, and use of my data as described above.

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Instructions

In this experiment, you will see images, each shown in one of two orientations. One orientation is the mirror image of the other.

For each image, each of the two orientations is arbitrarily associated to one of two keys (arrow up ⬆️ e arrow down ⬇️).
Because these assignments vary across images, your task is simply to memorize them.
The association between orientation and arrow key changes for each image and is completely arbitrary: you just need to memorize it. You will achieve a point for each correct response. At the end of the experiment you will receive a 💸 bonus (up to £2), based on the score you will achieve. Therefore, try to respond as accurately and as faster as possible.

⚠️Note⚠️: The first two blocks are a prescreening: participants that won't get an accuracy higher than the chance level won't be able to continue with the experiment, and will receive a compensation of £1 for their time.

You will now be shown 12 images. First, each image will be presented one by one, along with the arrow keys associated with its orientations.
Remember: the key–orientation assignments are completely arbitrary, so you just need to memorize them.

Press the button below to answer the comprehension questions.

Continue

Comprehension check

Please answer a few questions about this study before proceeding

Only when you answered all the question correctly will you be able to start the training rounds.

Press "Enter" to continue.

Good!
Press "Enter" to begin with the experiment.

Take a little break and then press "Enter" to start the next block

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Good!

Take a break, and then press "Enter" to start again, whenever you are ready.

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Thanks for partecipating to our experiment.

How old are you?

What is your gender?
Woman
Man
Other

How do you think the sequences and the stimuli were created?
Please, describe anything you noticed about the stimuli sequences.

Did you use any strategies to remember the associations between orientations and images?
Describe your strategies or anything you noticed about orientations and keys.

You completed two sessions of this task. In each sessions, you went through a number of blocks, and in each you were presented with sequences of images (e.g. guitar-elephant-alligator). How do you think these sequences were generated?
Describe anything you noticed about the sequences of images in the two sessions.

In each of the two sessions, you were presented with different sets of images. What do you think is the relation between the two sets?
Describe anything you noticed about the relations between the two sets of images.

How do you think sequences in the first session were generated?
By randomly drawing images
There were some weak regularities (it was more likely that some images appeared after others).
There were strong regularities (only certain images could come after others)

How do you think sequences in the first session were generated?
By randomly drawing images
There were some weak regularities (it was more likely that some images appeared after others).
There were strong regularities (only certain images could come after others)

How are the two sets of images from the two sessions related?
They are unrelated
They are different pitures of the same animals/objects.
In pairs, they came from the same categories.

Press this button to finish the experiment and get your completion code.

Thanks for your participantion. To collect your payment, insert this completion code in Prolific: C1BHWGT5.

You already partecipated in the experiment.
You cannot take part in the experiment more than once. If you believe this is an error, contact us at valerio.rubino@unitn.it.

You didn't achieve a performance sufficiently higher than chance level.
Please, paste this completion code to collect your partial reward: C100ZPXX.