Cross sectional studies is the correct answer.
Cross-sectional research is used to examine participants' behaviors of different ages at one point in time. These studies are useful for a variety of reasons: data collection can be proceeded rapidly, the cost is a lot lower than a logitudinal research since there is no need to keep contact and follow-up with participants as time passes, and because of that practice effects are not a problem. On the other hand, the principal limitation of this research is that the results produce information regarding age-related change, instead of development per se.
Answer:
The two factors that contribute to a detrimental relationship are infidelity and lack of communication. Further Explanation: Detrimental relationship is a type of harmful relationship that may hurt a person in a relationship. Detrimental is something that has a damaging and harmful effect on someone or something.
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Biofeedback promotes relaxation in order to treat health conditions. Biofeedback therapy trains patients to be calm and relaxed using some exercises that will help one's body to treat or relieve any pain. These exercises will help the patient to be more in control of their own functions.