An example of a(n) double-blind research study would be where an experiment was conducted on caffeine-induced stress when neither the class researchers nor the test subjects knew who received caffeine and who did not until after the study was finished.
<h3>What is double-blind research study?</h3>
- A double-blind study is one in which neither the participants nor the researchers are aware of which group is getting the treatment.
- However, it also prohibits researchers from unintentionally disclosing information about the experiment.
- This type of study is particularly helpful in avoiding biased reports that are likely the result of placebo effects.
- Imagine, for instance, that researchers are looking into the effects of a novel medication.
- The participants in a double-blind study would not be aware of who was receiving the real medication and who was receiving a placebo, and neither would the researchers who contact with them.
Learn more about double-blind study here:
brainly.com/question/4911918
#SPJ4
Lots of destruction everywhere
Answer:
idk to be honest my best bet would be A
Explanation:
Full Question:
A question on a survey asks respondents to express their opinion of a new flavor of potato chips on a continuum between “terrific” and “horrible”. This type of attitude scale is known as a _____.
Likert scale
Behavioral intention scale
Seven point scale
Semantic Differential Scale
Answer:
Semantic Differential Scale
Explanation:
As originated by Charles E. Osgood, Semantic Differential (SD) is a type of a rating scale usually applied to measure opinions using connotations such as adjectives that may differ by degree of effectiveness. The semantic meaning derived from these connotations are believed to be the attitude of a person towards certain objects. It is largely used in research to measure opinions, values and preferences of a person.