Read the following paragraph and answer the five questions which follow: A researcher in personality and psychometric, after a thorough scrutiny of human characteristics, located eighty personality scales which presumably provide a comprehensive description of human personality. He administered these scales to a sufficiently large sample (N = 1000) and obtained the inter correlations among the eighty scales. The researcher wanted to factor analyzes these scales. Retaining unities in the diagonal spaces of the 80 × 80 correlation matrix, the un – rotated factors were extracted. Using various criteria for deciding the number of factors for rotation, fifteen factors were retained. The fifteen factors together explained 70% of the total variance. These fifteen factors were rotated by following a suitable method and the resulting intercorrection matrix was examined. Several of the interfactor correlations were fairly high. Second-order factor analysis was then carried out which yielded five, nearly orthogonal factors.46. While factor-analyzing the 80 × 80 correlation matrix, out of the following four factor extraction methods, which one has probably been employed in the above work?

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1. Perceptual Processes :
2. Learning Process :
3. Memory and forgetting : 
4. Thinking and Problem Solving :
5. Motivation and Emotion : 
6. Human Abilities :
7. Personality :
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10. Biological Basis of Behaviour : 
 


Read the following paragraph and answer the five questions which follow: A researcher in personality and psychometric, after a thorough scrutiny of human characteristics, located eighty personality scales which presumably provide a comprehensive description of human personality. He administered these scales to a sufficiently large sample (N = 1000) and obtained the inter correlations among the eighty scales. The researcher wanted to factor analyzes these scales. Retaining unities in the diagonal spaces of the 80 × 80 correlation matrix, the un – rotated factors were extracted. Using various criteria for deciding the number of factors for rotation, fifteen factors were retained. The fifteen factors together explained 70% of the total variance. These fifteen factors were rotated by following a suitable method and the resulting intercorrection matrix was examined. Several of the interfactor correlations were fairly high. Second-order factor analysis was then carried out which yielded five, nearly orthogonal factors.<br />46. While factor-analyzing the 80 × 80 correlation matrix, out of the following four factor extraction methods, which one has probably been employed in the above work?