Group

Mean

SD

Std. Error Mean

T-Value

Sig.

Rater 1

Content

Non-Twitter (Control)

17.47

5.762

1.052

3.548

0.001

Twitter (Experimental)

21.52

2.426

0.443

Coherence

Non-Twitter (Control)

16.80

6.620

1.209

4.604

0.000

Twitter (Experimental)

22.67

2.210

0.404

Rater 2

Content

Non-Twitter (Control)

17.80

5.624

1.027

3.476

0.001

Twitter (Experimental)

21.68

2.409

0.440

Coherence

Non-Twitter (Control)

16.93

6.678

1.219

4.211

0.000

Twitter (Experimental)

22.32

2.139

0.391