A method, comprising: at an electronic device (100, 300, 17600) with a touch-sensitive surface (451, 17604) and a display (450, 17602), wherein the electronic device includes one or more contact intensity sensors (165, 359, 17606) to detect intensities of contacts with the touch-sensitive surface, wherein the intensity of a contact is a force or pressure of the contact on the touch sensitive surface, or a substitute for the force or pressure of the contact on the touch sensitive surface: displaying, on the display, a plurality of user interface objects (17402-1, 17402-2, 17402-3), including a first user interface object and a second user interface object; detecting a first press input that corresponds to an increase in intensity of a first contact above a first intensity threshold (IT D) on the touch-sensitive surface while a focus selector is over the first user interface object; in response to detecting the first press input, including the increase in intensity of the first contact above the first intensity threshold (IT D) on the touch-sensitive surface while the focus selector is over the first user interface object, selecting the first user interface object; and after selecting the first user interface object and while continuing to detect the first contact on the touch-sensitive surface and maintaining selection of the first user interface object: detecting movement of the first contact corresponding to movement of the focus selector from the first user interface object to the second user interface object; detecting a second press input that corresponds to an increase in intensity of the first contact above a second intensity threshold (IT L) on the touch-sensitive surface while the focus selector is over the second user interface object; and in response to detecting the second press input, selecting the second user interface object and maintaining selection of the first user interface object. displaying, on the display, a plurality of user interface objects (17402-1, 17402-2, 17402-3), including a first user interface object and a second user interface object; detecting a first press input that corresponds to an increase in intensity of a first contact above a first intensity threshold (IT D) on the touch-sensitive surface while a focus selector is over the first user interface object; in response to detecting the first press input, including the increase in intensity of the first contact above the first intensity threshold (IT D) on the touch-sensitive surface while the focus selector is over the first user interface object, selecting the first user interface object; and after selecting the first user interface object and while continuing to detect the first contact on the touch-sensitive surface and maintaining selection of the first user interface object: detecting movement of the first contact corresponding to movement of the focus selector from the first user interface object to the second user interface object; detecting a second press input that corresponds to an increase in intensity of the first contact above a second intensity threshold (IT L) on the touch-sensitive surface while the focus selector is over the second user interface object; and in response to detecting the second press input, selecting the second user interface object and maintaining selection of the first user interface object. detecting a second press input that corresponds to an increase in intensity of the first contact above a second intensity threshold (IT L) on the touch-sensitive surface while the focus selector is over the second user interface object; and in response to detecting the second press input, selecting the second user interface object and maintaining selection of the first user interface object.