Answer:
b and idk how to explain it sorry i just know the answer my aunt is a doctor
Explanation:
Answer: B. appealing... unappealing
Explanation:
The most frequent design is option d.) 2 2 4 3 when a researcher planned an experiment in which four independent variables were altered.
In an experiment, the researcher modifies one factor (the independent factor) to ascertain its impact on a different factor (the dependent variable).One independent variable (IV) is changed by the researcher to produce a set of two or more treatment conditions. (2) Measuring. In order to generate a set of scores for each treatment condition, a group of participants' second dependent variable (DV) is measured.
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The use of a drug for non medical reasons
Drugs are usually made to help a person combat diseases, etc, but if it is used for something other then it's intended purpose, or is used to, instead of helping the body but destroying it, it becomes a "drug abuse"
hope this helps