Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.