B

SE B

Std. Β

T

Sig.

Condition 1

Regression equation: Y = 2.450 + 0.198X (N = 200; R² = 0.093; Adjusted R² = 0.088)

(Constant)

2.450

0.150

16.311

0.000

Use of multimedia telephone (X)

0.198

0.044

0.305^***

4.504

0.000

Condition 2

Regression equation: M = 1.949 + 0.312X (N = 200; R² = 0.422; Adjusted R² = 0.178)

(Constant)

1.949

0.163

11.990

0.000

Use of multimedia telephone (X)

0.312

0.048

0.422^***

6.548

0.000

Condition 3

Regression equation: Y = 0.957 + 0.720M (N = 200; R² = 0.671; Adjusted R² = 0.669)

(Constant)

0.957

0.109

8.807

0.000

Attitude towards learning with telephone (M)

0.720

0.036

0.817^***

20.082

0.000

Condition 4

Regression equation: Y = 1.010 − 0.032X +0.739M (N = 200; R² =0.673; Adjusted R² = 0.669)

(Constant)

1.010

0.119

8.500

0.000

Use of multimedia telephone (X)

−0.032

0.029

−0.049

−1.101

0.272

Attitude towards learning with telephone (M)

0.739

0.040

0.840^***

18.681

0.000