Dating assessment tool
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Please see the Measurement Tools Rating Scale for more information. Journal of Child Psychology and Psychiatry, 36(2), 327-334.
Children reported more symptoms than their parents did about them.
Analyses showed that the MFQ-Child had moderate diagnostic accuracy for major depression at interview, whereas the MFQ-Parent had only low accuracy. Detection of major and minor depression in children and adolescents: Evaluation of the Mood and Feelings Questionnaire.
Development of this process was aided by German chemists Otto Hahn and Fritz Strassmann, who later went on to discover nuclear fission in December 1938.
During fractional crystallization, Sr tends to become concentrated in plagioclase, leaving Rb in the liquid phase.
Hence, the Rb/Sr ratio in residual magma may increase over time, resulting in rocks with increasing Rb/Sr ratios with increasing differentiation. Typically, Rb/Sr increases in the order plagioclase, hornblende, K-feldspar, biotite, muscovite.