Abstract:When more than one correlation coefficient is tested for significance in a study, the probability of making at least one Type I error rises rapidly as the number of tests increases, and the probability of making a Type I error after a Type I error on a previous test is usually greater than the nominal significance level used in each test. To avoid excessive Type I errors with multiple tests of correlations, researchers should use procedures that answer research questions with a single statistical test and/or s… Show more
“…The visual tasks were not significantlyrelated to the intelligence measures. When the significance level was corrected in order to take into account multiple comparisons (Larzelere & Mulaik, 1977), none of the correlations reached statistical significance.…”
Section: Correlations Between Temporal Acuities and Reading-related Tmentioning
“…The visual tasks were not significantlyrelated to the intelligence measures. When the significance level was corrected in order to take into account multiple comparisons (Larzelere & Mulaik, 1977), none of the correlations reached statistical significance.…”
Section: Correlations Between Temporal Acuities and Reading-related Tmentioning
“…Analyses based on the multi-stage Bonferroni procedures (Larzelere & Mulaik, 1977) showed that the CPCS and CMCS scores were significantly related to measures of parental psychological control and behavioral control (parental knowledge, expectations, monitoring and discipline) and perceived parental endorsement of traditional parenting beliefs, thus supporting Hypothesis 1A and Hypothesis 1B ( Table 3). Regarding Hypothesis 1C, results showed that the CPCS and CMCS had significantly higher correlation with measures of psychological control, parental expectations, and parental discipline than with parental knowledge and parental monitoring (p < .05 in all cases in Table 3).…”
Section: Research Question 2 (Hypotheses 1a 1b and 1c)mentioning
Utilizing a longitudinal research design, perceived parental control in 2,559 Chinese adolescents over three consecutive years was examined by measures of indigenous Chinese parental control concepts (Chinese Paternal Control Scale: CPCS; Chinese Maternal Control Scale: CMCS). The relationships between CPCS and CMCS and measures of parental control and parent-child relational qualities were also investigated. Although Chinese parents had high expectations about their children, they were not strict in parental discipline. The CPCS and CMCS scores were significantly correlated with measures of parental control and perceived parental endorsement of traditional Chinese parenting beliefs in early adolescent years. While CPCS and CMCS had weak concurrent and prospective relationships with parent-child relational qualities measures, the observed relationships were moderated by parental psychological control. The theoretical and practical implications of the findings are discussed.
“…A better option is to apply a sequential Bonferroni correction (Larzelere & Mulaik, 1977). The first stage of this correction is identical to a standard Bonferroni RBANS Supplementary Methods 16 correction.…”
Section: Reliability Of Differences Between Rbans Index Scoresmentioning
Supplementary methods for the analysis of the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) are made available including: (a) quantifying the number of abnormally low Index scores and abnormally large differences exhibited by a case and accompanying this with estimates of the percentages of the normative population expected to exhibit at least this number of low scores and large differences; (b) estimating the overall abnormality of a case's Index score profile using the Mahalanobis Distance Index (MDI); (c) reporting confidence limits on differences between a case's Index scores; and (d) offering the option of applying a sequential Bonferroni correction when testing for reliable differences. With the exception of the MDI, all the methods can be obtained using the formulas and tables provided in this paper. However, for the convenience of clinicians, and to reduce the possibility of clerical error, the methods have also been implemented in a computer program. More importantly the program allows the methods to be applied when only a subset of the Indexes is available. The program can be downloaded from www.abdn.ac.uk/~psy086/dept/RBANS_Supplementary_Analysis.htm.
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