Paired Samples Statistics Mean N Std Deviation Std Error Mea

Paired Samples Statistics

Mean

N

Std. Deviation

Std. Error Mean

Pair 1

INSTRUCT

1.50

20

.513

.115

FINAL

85.85

20

9.789

2.189

Paired Samples Correlations

N

Correlation

Sig.

Pair 1

INSTRUCT & FINAL

20

.498

.025

Paired Samples Test

Paired Differences

t

df

Sig. (2-tailed)

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

Lower

Upper

Pair 1

INSTRUCT - FINAL

-84.350

9.544

2.134

-88.817

-79.883

-39.526

19

.000

SPSS Question: Using the GRADES.sav, conduct an independent-samples t test to determine of the instruction type (lecture vs. discussion) had an effect on the final exam scores. Copy and paste descriptives and t-test SPSS output tables into a word document, and write up the results APA style. In your conclusion, if the difference is significant, indicate which instruction type helped the most – were the final exam scores higher under instruction type 1 or 2?

Solution