Psychosocial variable

n

Pre-test

M (SD)

Post-test M (SD)

Change

M (SD)

t

Beliefs about abstinence until marriage

28

3.01 (.65)

2.94 (.78)

?.07 (.57)

?.664

Beliefs about waiting to have sex

31

3.20 (.61)

3.22 (.61)

.02 (.55)

.163

Perceived friends’ beliefs about waiting to have sex

31

2.45 (.69)

2.74 (.52)

.29 (.68)

2.390^*

Perceived friends’ sexual behaviors

29

1.64 (.71)

1.66 (.78)

.03 (.64)

.219

Reasons for not having sex

31

4.00 (2.38)

5.19 (2.88)

1.19 (1.85)

3.589^**

Reasons for having sex

30

.73 (.83)

.73 (1.43)

.00 (1.68)

.000

Self-efficacy to refuse having sex

26

3.19 (.65)

3.24 (.73)

.05 (.69)

.407

Condom knowledge

31

.68 (.35)

.75 (.33)

.08 (.36)

1.157

Condom attitudes

30

3.28 (.68)

3.14 (.98)

?.13 (.72)

?1.015

Perceived friends’ beliefs about condoms

29

2.87 (.81)

3.03 (.92)

.16 (.89)

.097

Self-efficacy to use condoms

24

1.31 (.56)

1.52 (.47)

.21 (.44)

2.345^*

Perceived likelihood of having oral sex in the next year

31

1.90 (1.14)

1.71 (1.24)

?.19 (.83)

?1.293

Perceived likelihood of having vaginal sex in the next year

31

1.84 (1.13)

1.81 (1.33)

?.03 (.91)

?.197

Perceived likelihood of abstaining until the end of high school

29

3.12 (1.52)

3.48 (1.72)

.28 (1.56)

.955

Perceived likelihood of abstaining until marriage

29

2.83 (1.61)

3.59 (1.34)

.76 (1.22)

3.363^**

Attitude toward computers for learning

While studying computers, the time passes quickly.

23

2.76 (.59)

2.275 (.88)

?.39 (.84)

?2.237^*

I learn quickly while studying with computers.

23

2.80 (.77)

2.448 (.78)

?.43 (.95)

?2.206^*

I feel comfortable while studying with computers.

23

2.76 (.52)

2.586 (.68)

?.17 (.78)

?1.073

Learning with computers increases my success.

23

2.44 (.71)

2.310 (.81)

?.13 (.87)

?.720

Learning from computers increases my confidence.

23

2.00 (.76)

2.344 (.72)

.35 (.57)

2.912^**

Computers make me eager to study more.

23

2.08 (.91)

2.366 (.81)

.13 (.76)

.826

At first, learning with computers seems enjoyablebut later I am bored.

23

2.12 (.78)

2.266 (.78)

.04 (.71)

.295

Instruction with computers is very enjoyable.

23

1.92 (.86)

2.413 (.78)

.48 (1.08)

2.121^*

I would like to learn all my school courses with computers.

23

2.28 (.76)

2.233 (.89)

?.04 (.93)

?.225

I learn easily with colorful graphics and animation.

23

2.44 (.82)

2.466 (.78)

?.04 (.93)

?.225