QUESTION IMAGE
Question
the effectiveness of biofeedback has been a subject of controversy because biofeedback _______
a. has no reported side effects
b. cannot be effectively tested
c. has no reported negative effects
d. requires uncomfortable electrodes
please select the best answer from the choices provided
a
b
c
d
<pre_analysis>
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"question_count": 1,
"skills_matched": [
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</pre_analysis>
<reasoning>
Analyze the controversy surrounding biofeedback
The effectiveness of biofeedback is debated because it is difficult to design rigorous, double-blind controlled studies to test it objectively, as participants are actively aware of the feedback they receive.
Evaluate the given options
- Option A and Option C describe positive attributes (no side/negative effects), which would not cause controversy regarding its effectiveness.
- Option D is a minor practical issue, not the primary reason for scientific controversy regarding its clinical efficacy.
- Option B directly addresses the scientific challenge of testing and proving its effectiveness objectively.
</reasoning>
<answer>
<mcq-option>(A) has no reported side effects</mcq-option>
<mcq-correct>(B) cannot be effectively tested</mcq-correct>
<mcq-option>(C) has no reported negative effects</mcq-option>
<mcq-option>(D) requires uncomfortable electrodes</mcq-option>
</answer>
<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Others",
"Biofeedback Controversy"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"direct_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [],
"new_concepts": [
"Biofeedback Controversy",
"Biofeedback Testing"
],
"current_concepts": [
"Biofeedback Controversy",
"Biofeedback Testing"
]
}
</pre_analysis>
<reasoning>
Analyze the controversy surrounding biofeedback
The effectiveness of biofeedback is debated because it is difficult to design rigorous, double-blind controlled studies to test it objectively, as participants are actively aware of the feedback they receive.
Evaluate the given options
- Option A and Option C describe positive attributes (no side/negative effects), which would not cause controversy regarding its effectiveness.
- Option D is a minor practical issue, not the primary reason for scientific controversy regarding its clinical efficacy.
- Option B directly addresses the scientific challenge of testing and proving its effectiveness objectively.
</reasoning>
<answer>
<mcq-option>(A) has no reported side effects</mcq-option>
<mcq-correct>(B) cannot be effectively tested</mcq-correct>
<mcq-option>(C) has no reported negative effects</mcq-option>
<mcq-option>(D) requires uncomfortable electrodes</mcq-option>
</answer>
<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Others",
"Biofeedback Controversy"
]
}
</post_analysis>