{'fraction_non_alphanumeric': 0.023333333333333334, 'fraction_numerical': 0.006666666666666667, 'mean_word_length': 5.752808988764045, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Book Review : Analysing Change: Measurement and Explanation Using Longitudinal Data

When reading about the earlier stages of the Framingham Heart Study-probably the most successful and influential longitudinal study in the United States-it is tempting to conclude that one of the major &dquo;findings&dquo; of the study was the seemingly unending series of methodological problems associated with the analysis and interpretation of longitudinal data (see Gordon & Kannel, 1970). Similarly, prominent methodologists in psychology and the social sciences have even wondered whether it is worthwhile to