Answer:
The correct answer is The study has a problem with the External validity
Explanation:
External validity in research terms is the validity the research has in the outside world or in the applied social reality of the field of study, it is the extent in which the results and conclusions of the study can be applied and generalized to ohter external factors, therefore in this case, when the researchers did the experiment only with motivated volunteers did not take into account that people outside may not have the same motivation, therefore the results may not be the same in the external social reality and thus having problems with the external validity.
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Answer:
changing multiple choice answers and impulsivity
Explanation:
Variable: In a psychological or scientific research process, the term variable is defined as the things that can be varied or changed, for example, value or characteristics.
Variables are responsible for determining whether any change in one thing can lead to make changes in the other thing. Therefore, it plays a major role in psychological research.
Types: Independent variable, Dependent variable, and control variable.
In the question above, the variables in the given statement are changing multiple choice answers and impulsivity
Answer:
stability or change.
Explanation:
Stability or change: The term "stability" refers to an individual's personality trait that is being present at the time of infancy and therefore it is being endured throughout an individual's life.
The term "change" refers to the fact that an individual's personality can be modified through interactions with his or her family, acculturation, and different experiences accompanied by friends or school.
In the question above, the given statement signifies stability and change.
