Archive:ANCOVA: Revision history

12 June 2009

• curprev 08:2008:20, 12 June 2009 wikademia>Wikademia m 7,878 bytes 0 moved ANCOVA to Archive:ANCOVA

11 April 2009

• curprev 18:1218:12, 11 April 2009 wikademia>Wikademia m 7,878 bytes +8 Text replace - 'w:' to 'Wikipedia:'
• curprev 05:5605:56, 11 April 2009 wikademia>Wikademia 7,870 bytes −50 No edit summary

10 April 2009

• curprev 17:1817:18, 10 April 2009 wikademia>Wikademia m 7,920 bytes 0 moved Advanced ANOVA/ANCOVA to ANCOVA

8 April 2009

• curprev 04:5704:57, 8 April 2009 wikademia>Wikademia 7,920 bytes −4 No edit summary
• curprev 04:2504:25, 8 April 2009 wikademia>Wikademia m 7,924 bytes 0 30 revisions

3 December 2008

• curprev 00:0800:08, 3 December 2008 wikademia>Jtneill m 7,924 bytes +22 [[Category:{{BASEPAGENAME}}]]

2 December 2008

• curprev 23:3423:34, 2 December 2008 wikademia>Jtneill m 7,902 bytes 0 Research methods and professional ethics/ANCOVA moved to Advanced ANOVA/ANCOVA

27 August 2008

• curprev 06:2106:21, 27 August 2008 wikademia>Jtneill m 7,902 bytes +2 No edit summary

20 August 2008

• curprev 16:2016:20, 20 August 2008 wikademia>Jtneill 7,900 bytes +372 →Exercises: ===Therapy and depression=== What is the effect of three different therapy types on depression, taking into account pre-existing depression levels? Use: * [http://ucspace.canberra.edu.
• curprev 16:1616:16, 20 August 2008 wikademia>Jtneill 7,528 bytes +327 →Francis exercises: ===Vitamin C=== Do low and high doses of Vitamin C reduce incidences of days suffered with a cold? Conduct an ANOVA using: * [http://ucspace.canberra.edu.au/download/attachment
• curprev 16:0516:05, 20 August 2008 wikademia>Jtneill m 7,201 bytes +351 →Covariates
• curprev 16:0016:00, 20 August 2008 wikademia>Jtneill m 6,850 bytes +60 →Overview
• curprev 15:5615:56, 20 August 2008 wikademia>Jtneill 6,790 bytes +262 ==Descriptives== In presenting ANCOVA results, provide a table of means for each of the groups. If the same scale is used to measure the DV and the CV, then the unadjusted group means and SD (from Des
• curprev 15:5215:52, 20 August 2008 wikademia>Jtneill 6,528 bytes +191 ==Descriptives== Note that for ANCOVA you should provide both of: # Unadjusted group means and SD (from Descriptives) # Adjusted group means and SD (from the Estimated marginal means table)
• curprev 15:5015:50, 20 August 2008 wikademia>Jtneill m 6,337 bytes +149 →Assumptions
• curprev 15:4615:46, 20 August 2008 wikademia>Jtneill m 6,188 bytes +101 →Overview
• curprev 15:3715:37, 20 August 2008 wikademia>Jtneill m 6,087 bytes +45 →Teaching method
• curprev 15:3015:30, 20 August 2008 wikademia>Jtneill 6,042 bytes +300 →Francis exercise: ===Positive affect=== Conduct an ANCOVA to test for differences in positive affect between males and females, adjusting for differences in age. * [http://www.pearsoned.com.au/wp
• curprev 15:1715:17, 20 August 2008 wikademia>Jtneill 5,742 bytes +768 →Assumptions: expand
• curprev 15:0915:09, 20 August 2008 wikademia>Jtneill 4,974 bytes +461 →Assumptions: expand
• curprev 15:0315:03, 20 August 2008 wikademia>Jtneill 4,513 bytes +537 ==Francis exercise== In a hypothetical educational psychology experiment, participants were randomly divided into two groups. One group was taught conventionally, and the other were taught using an in
• curprev 14:5814:58, 20 August 2008 wikademia>Jtneill m 3,976 bytes +26 →Overview
• curprev 14:5514:55, 20 August 2008 wikademia>Jtneill m 3,950 bytes +27 →Assumptions
• curprev 14:5414:54, 20 August 2008 wikademia>Jtneill 3,923 bytes +113 →Overview: ANCOVA is exactly like ANOVA, except the effects of a third variable are statistically “controlled out”.
• curprev 14:5314:53, 20 August 2008 wikademia>Jtneill 3,810 bytes +110 →Overview: Thus, the question being tested is whether the '''adjusted group means''' vary significantly from each other?
• curprev 14:4914:49, 20 August 2008 wikademia>Jtneill 3,700 bytes +1,626 ==Example write-up== A one-way analysis of covariance (ANCOVA) was conducted. The independent variable, vitamin C, involved three levels: placebo, low dose, and high dose. The dependent variable was t
• curprev 13:5413:54, 20 August 2008 wikademia>Jtneill 2,074 bytes +362 ==Assumptions== Assumptions to be met are those for ANOVA, plus: # Covariates must be linearly related to the DV # Covariates must have a homogeneity of regression effect (must have equal effe
• curprev 13:5113:51, 20 August 2008 wikademia>Jtneill 1,712 bytes +1,234 expanding

17 August 2008

• curprev 15:1815:18, 17 August 2008 wikademia>Jtneill m 478 bytes +6 No edit summary
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13 August 2008

• curprev 20:5320:53, 13 August 2008 wikademia>Jtneill m 305 bytes +63 No edit summary
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5 August 2008

• curprev 14:3214:32, 5 August 2008 wikademia>Jtneill 90 bytes +37 No edit summary

23 July 2008

• curprev 16:1816:18, 23 July 2008 wikademia>Jtneill 53 bytes +53 New page: Category:Research methods and professional ethics