[Solved] James is reading an erotic story in a magazine when he notices his respiration and heart rate increasing. He is also experiencing penile erection. Which phase is James currently experiencing? A)Desire B)Orgasm C)Excitement D)Resolution Independent Variable: In research, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable. Spatial Reasoning: The cognitive ability to manipulate, organize, and visualize spatial relationships or objects in one's mind, important in solving math and science problems and in everyday tasks such as navigation. Tzeltal: A language belonging to the Mayan family, spoken by the Tzeltal people in Mexico. General Structure: The overarching organization or framework underlying a system, concept, or physical entity.