Answer:
4. A test group where the variable is not changed or applied
Explanation:
Answer: Bipolar disorder
Explanation: Taking into consideration the symptoms described, Calvin would most likely be diagnosed with bipolar disorder. This disorder is one of the "mood disorders" where a person experiments both spectrums of depression and mania, meaning that it goes from feeling the worst to being the best among other things.
Impulsivity, irritability and perception distortion are other common symptoms presented in bipolar patients.
For years, Hector has played very loud music as the drummer of a classic rock band. If he does not protect his hearing, he will experience hearing impairment at high frequencies.
<h3>What do you mean by hearing impairment?</h3>
Hearing impairment or deafness occurs due to damage to nerves and the inner ear. It can be caused by an injury, disease, medication, and exposure to loud music or noise.
As the hector is playing very loud music for years, he will likely experience future hearing impairment at high frequencies.
Learn more about hearing impairment here:
brainly.com/question/9823852
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Research has found that those who text message while driving are more likely to get into a crash or a near wreck than undistracted drivers
