The answer is false because there were many before
Answer:
The 30-years war was not called a world war as it was mainly in Europe, very few colonies were involved, unlike the 7 years' war.
<u>Response set</u> may be occurred as source error.
<u>Explanation</u>:
Response set may occur during self-inventory assessment. If the questions are answered in a complimentary or flattering way it is said to be response set. Generally people answer in this way in-spite of telling the truth.
This type of error occurs when a person takes psychological test. He/she tends to agree with all the statements that are made on test. The response set can be detected in various forms like checklist, performance ratings, personality questions and ability test.
