FALL 2004

IMPACT RUBRIC INTER-RATER RELIABILITY

CONTENT SUBSCORE AREA

Paired t test results

P value and statistical significance:
  The two-tailed P value equals 0.9482
  By conventional criteria, this difference is considered to be not statistically significant.

Confidence interval:
  The mean of Content #1 minus Content #2 equals -0.028
  95% confidence interval of this difference: From -0.916 to 0.860

Intermediate values used in calculations:
  t = 0.0660
  df = 17
  standard error of difference = 0.421

Learn more:

GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Next check whether you chose an appropriate test. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.

Review your data:

Group	Content #1	Content #2
Mean	6.917	6.944
SD	1.141	1.589
SEM	0.269	0.375
N	18	18

PEDAGOGY SUBSCORE AREA
Paired t test results

P value and statistical significance:
  The two-tailed P value equals 0.8416
  By conventional criteria, this difference is considered to be not statistically significant.

Confidence interval:
  The mean of pedagogy 1 minus pedagogy 2 equals 0.11
  95% confidence interval of this difference: From -1.04 to 1.27

Intermediate values used in calculations:
  t = 0.2029
  df = 17
  standard error of difference = 0.548

Learn more:

GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Next check whether you chose an appropriate test. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.

Review your data:

Group	pedagogy 1	pedagogy 2
Mean	9.44	9.33
SD	1.92	2.06
SEM	0.45	0.49
N	18	18

PROFESSIONAL AND PEDAGOGICAL SKILLS SUBSCORE AREA

Paired t test results

P value and statistical significance:
  The two-tailed P value equals 0.4244
  By conventional criteria, this difference is considered to be not statistically significant.

Confidence interval:
  The mean of prof/ped 1 minus prof/ped 2 equals -0.528
  95% confidence interval of this difference: From -1.888 to 0.833

Intermediate values used in calculations:
  t = 0.8185
  df = 17
  standard error of difference = 0.645

Learn more:

GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Next check whether you chose an appropriate test. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.

Review your data:

Group	prof/ped 1	prof/ped 2
Mean	9.806	10.333
SD	1.775	2.744
SEM	0.418	0.647
N	18	18

STUDENT LEARNING SUBSCORE AREA

Paired t test results

P value and statistical significance:
  The two-tailed P value equals 0.0917
  By conventional criteria, this difference is considered to be not quite statistically significant.

Confidence interval:
  The mean of studlng 1 minus studlng2 equals 0.83
  95% confidence interval of this difference: From -0.15 to 1.82

Intermediate values used in calculations:
  t = 1.7876
  df = 17
  standard error of difference = 0.466

Learn more:

GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Next check whether you chose an appropriate test. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.

Review your data:

Group	studlng 1	studlng2
Mean	7.33	6.50
SD	1.33	1.82
SEM	0.31	0.43
N	18	18

OVERALL SCORE

Paired t test results

P value and statistical significance:
  The two-tailed P value equals 0.6027
  By conventional criteria, this difference is considered to be not statistically significant.

Confidence interval:
  The mean of total 1 minus total 2 equals 0.889
  95% confidence interval of this difference: From -2.647 to 4.424

Intermediate values used in calculations:
  t = 0.5304
  df = 17
  standard error of difference = 1.676

Learn more:

GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Next check whether you chose an appropriate test. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.

Review your data:

Group	total 1	total 2
Mean	33.500	32.611
SD	5.652	6.518
SEM	1.332	1.536
N	18	18