'Although concrete operational thinkers might succeed on the balance-a-scale test of formal reasoning, they are less likely to do so because of their reliance on <u>trial and error</u>.
An operational definition is a definition that defines the precise way wherein a variable is measured. Giving the steps used in defining each variable allows others to evaluate and potentially mirror research take a look at.
Your operational definitions describe the variables you may use as indicators and the processes you will use to study or degree them. You need an operational definition due to the fact you can not measure something without one, regardless of how top your conceptual definition is probably.
An operational definition of a variable is the set of approaches used to measure or control it. a great operational definition is obviously sufficient so that an unbiased researcher ought to use the same technique (mirror the studies) and get identical outcomes.
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The main source of air pollution in Japan is in- dustry. Recently, a rise in the number of motor vehicles using petroleum fuel has caused pollution from exhaust gases to be- come increasingly important. (According to the web)
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Answer:
Case study
Explanation:
A case study is a kind of study used in social sciences in which the researcher observes an individual/group/event in a very in-depth manner. Case studies give a lot of information about the person or group who is being studied and let the researcher make causal inferences (because of the in-depth observation) and the researcher gets a better understanding of the situation.
In this question, the psychologist faces an ethical dilemma of needing to remove a potentially beneficial treatment. However, using a case study, she wouldn't need to do so because she could observe the autistic child in his environment without changing it, because the case study is an observing explanatory study. Therefore, the ethical dilemma would be eliminated and she could draw conclusions from the study.