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Tracking the Progress of a Group of Students (Case Study)



142



Thai Nguyen High School for the Gifted

Experimental group (N= 65)

Control group (N = 63)

x i

f i

x i - x

(x i - x ) 2

(x i - x ) 2 .f i

x i

f i

x i - x

(x i - x ) 2

(x i - x ) 2 .f i

1

0

-5.4

29.16

0

1

0

-4.85

23.5225

0

2

0

-4.4

19.36

0

2

0

-3.85

14.8225

0

3

3

-3.4

11.56

34.68

3

4

-2.85

8.1225

32.49

4

3

-2.4

5.76

17.28

4

4

-1.85

3.4225

13.69

5

15

-1.4

1.96

29.4

5

17

-0.85

0.7225

12.2825

6

14

-0.4

0.16

2.24

6

19

0.15

0.0225

0.4275

7

11

0.6

0.36

3.96

7

13

1.15

1.3225

17.1925

8

14

1.6

2.56

35.84

8

4

2.15

4.6225

18.49

9

3

2.6

6.76

20.28

9

1

3.15

9.9225

9.9225

10

2

3.6

12.96

25.92

10

1

4.15

17.2225

17.2225

Trieu Son 5 High School

Experimental group (N= 35)

Control group (N = 34)

1

0

-5.45

29.7025

0

1

0

-4.88

23.8144

0

2

0

-4.45

19.8025

0

2

0

-3.88

15.0544

0

3

0

-3.45

11.9025

0

3

1

-2.88

8.2944

8.2944

4

1

-2.45

6.0025

6.0025

4

2

-1.88

3.5344

7.0688

5

9

-1.45

2.1025

18.9225

5

11

-0.88

0.7744

8.5184

6

9

-0.45

0.2025

1.8225

6

10

0.12

0.0144

0.144

7

8

0.55

0.3025

2.42

7

6

1.12

1.2544

7.5264

8

6

1.55

2.4025

14,415

8

4

2.12

4.4944

17.9776

9

1

2.55

6.5025

6.5025

9

0

3.12

9.7344

0

10

1

3.55

12.6025

12.6025

10

0

4.12

16.9744

0

Duc Trong High School

Experimental group (N= 68)

Control group (N = 69)

1

0

-5.23

27,353

0

1

1

-4.51

20.3401

20.3401

2

1

-4.23

17,893

17,893

2

2

-3.51

12.3201

24.6402

3

2

-3.23

10,433

20,866

3

5

-2.51

6.3001

31.5005

4

8

-2.23

4.9729

39,783

4

9

-1.51

2.2801

20.5209

5

14

-1.23

1.5129

21,181

5

17

-0.51

0.2601

4.4217

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Tracking the Progress of a Group of Students (Case Study)



143



6

15

-0.23

0.0529

0.7935

6

17

0.49

0.2401

4.0817

7

13

0.77

0.5929

7.7077

7

8

1.49

2.2201

17.7608

8

8

1.77

3.1329

25,063

8

6

2.49

6.2001

37.2006

9

5

2.77

7.6729

38,365

9

2

3.49

12.1801

24.3602

10

3

3.77

14,213

42,639

10

1

4.49

20.1601

20.1601

The statistical indicators obtained are as follows:



High School


Degrees of freedom

Quantity t x

S TN


t

Compare t and t

Thai Nguyen Specialized

65

1.98

1.67

t > t

Trieu Son 5

34

2.16

1.6

t > t

Duc Trong

68

3.5

1.6

t > t


Thus, the second round of TNSP in all three schools was clearly effective.

- Test hypothesis E 0 :


High School

Degrees of freedom

S 2

Quantity F TN

S 2

DC


F

Compare

F and F

f TN

f DC

Thai Nguyen Specialized

65

63

1.34

1.85

F < F

Trieu Son 5

34

35

1.22

2.19

F < F

Duc Trong

68

69

1.03

2.85

F < F

All three cases above give results accepting the hypothesis E 0 , meaning that the difference between the variance in the experimental group and the control group in each school is not significant.

- Test hypothesis H 0 :



High School


Degrees of freedom (N TN +N DC -2)

Quantity

t x TN x DC

s . 1 1

n TN n DC


t


Compare t and t

Thai Nguyen Specialized

126

2.01

1.96

t > t

Trieu Son 5

65

1.95

1.67

t > t



144



Duc Trong

134

2.55

1.96

t > t

Through the above results, it is confirmed that the statistical results reject the hypothesis H 0 . Thus, the difference between the results of the experimental group and the control group in the 3 schools is significant. It proves that the results of the experimental group in the 3 schools are higher than the control group.

3.5.4. Monitoring the progress of a group of students (Case study)

3.5.4.1. Sample selection

Sample selection perspective: The selection of subjects to monitor their progress in the process of exploiting some applications on mobile phones for self-study of Math is based on the following criteria:

- Level of self-determination of needs, purposes, and motivation for self-study.

- Level of building and implementing self-study plans.

- Ability to interact with HLĐT and M-learning systems.

- Level of reading comprehension of the content in textbooks and workbooks.

- Level of self-testing and evaluating self-study.

- Level of completion of self-study goals and tasks.

- The level of applying self-study knowledge to new lessons and practice...

For each criterion, we base on practice and self-study theory to detail and concretize.

To obtain the information, we conducted discussions with Math teachers, observed the attitudes, actions and learning results of students... The results of processing all of the above information will be the basis for selecting the subject.

Sampling results: With the above approach, the topic selected 05 students to observe, collect and process information to make comments on each student's self-study process, specifically:

(1). Hoang Thi To Uyen (nickname: Touyen_anh12) is a student of English class K23, Thai Nguyen Specialized High School.

I am a good student with good self-study ability: I can identify learning tasks proactively and autonomously; Make and implement a study plan.



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practice seriously and orderly; find documents to serve learning; however, recognizing and correcting mistakes, limiting and overcoming difficulties when performing learning tasks through comments from teachers and friends; proactively seeking support from others when encountering difficulties in learning; self-testing and evaluating learning results of To Uyen is still not really good.

To Uyen is using Samsung Galaxy S4 phone, her phone usage skills are quite good. She can use her phone for the following purposes: Making calls and texting normally, playing games and going online on mobile phone with 3G network.

In self-studying math, To Uyen said, she often uses her phone to do multiple-choice knowledge tests. From there, she can self-evaluate where her knowledge is lacking. Then she can review that knowledge herself. She often takes advantage of the late evening hours, when she helps her mother cook, to go online.

(2) Le Xuan Thanh (nickname: Xuanthanh_12c5) is a student in class 12C5 at Trieu Son 5 High School.

Thanh is a student with good academic performance and average self-study ability: He still cannot evaluate his own learning results or recognize and correct mistakes in his studies through comments from teachers and classmates.

Regarding economic conditions, Thanh is a high school student in the mountains, and owns a not-so-expensive Lenovo A369i phone. He also knows how to use his mobile phone to go online with friends, but he rarely and does not know how to look up information online from his mobile phone to serve his studies.

When introduced to a website that helps him learn Math on his own, Thanh often takes advantage of the evening before going to bed, lying in bed and going online. His way of self-studying is to review the knowledge summarized through lectures, then do multiple choice tests to check his understanding of the lesson.



146


(3): Nguyen Thi Oanh (nicmane Nguyenoanh_anh12) is a student in English class K23, Thai Nguyen Specialized High School.

Oanh is a student with average academic performance and poor self-study ability: She has no self-awareness to study, and only studies when the teacher assigns a clear task that needs to be completed.

The type of mobile phone Oanh uses is Nokia Lumia 630, Oanh's phone skills are very good. However, she only uses the phone for calling and entertainment. She is able to search for information using the phone but not information for study purposes.

Oanh's house is far from school, so her main means of transportation to school is by bus. It takes her more than half an hour to travel by bus from home to school every morning. Because her teacher assigns her to do exercises on the Mlearning system, she often takes advantage of this travel time to complete her tasks.

(4) Hoang Thi Van (nicmane: Hoangvan_12c5) is a student in class 12C5 at Trieu Son 5 High School.

Van is a student with poor academic performance and poor self-study ability: She has no self-awareness to study, even when the teacher assigns clear tasks that need to be completed.

Van uses Samsung Lenovo A680 phone, however, because she is new to using it, her mobile phone skills are not really good.

Van is also a special student in the class, her health is not really good. She often has to miss school. We asked the teacher to help her by guiding her to study by herself using her cell phone. On the days she had to miss school to get treatment, we also asked some students with good academic performance to take advantage of the time online to support and answer Van's questions in a timely manner. Help Van not to fall too far behind the class.

3.5.4.2. Analysis of monitoring results



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We monitored the self-study process and evaluated the learning quality of all 4 students selected above according to the following criteria:

- On the ability to interact with HLĐT and M-learning systems in self-study.

- Self-study process.

- Learning outcomes.

(a). Specific results on the ability to interact with the HLĐT and the M-learning system in self-study .

Regarding the ability to interact with the HLĐT and M-learning system in self-study, we specify as follows:

Level 1: Do not know how to exploit the functions of the M-learning system;

Level 2: Know how to exploit some of the system's functions during self-study but still need regular help from teachers and fellow students when interacting with the system's functions.

Level 3: Know how to exploit some of the system's functions in the self-study process proficiently and at the same time know how to exploit additional applications on mobile phones to exchange and interact with teachers and other students.

Through monitoring and combining teachers' comments with students' self-affirmation, we obtained the following results:

Pupil

Before TNSP

After TNSP

H. Uyen

Level 2

Level 3

L.Thanh

Level 2

Level 2

N.Oanh

Level 1

Level 2

H.Van

Level 1

Level 2

(b). Results of monitoring the self-study process of each student



148


To have criteria for observing and commenting on each student's self-study process, we based on theories of self-study, paying special attention to students' skills in self-study.

- Monitoring results for student H.Uyen:


Criteria

Before TNSP

After TNSP

Good

Rather

TB

Weak

Good

Rather

TB

Weak

Define self-study tasks in a way

proactive

x




x




Know how to make and implement a study plan

practice seriously, proactively

x




x




Know how to grasp the basic content of the lesson

Study and analyze, synthesize, and systematize lesson knowledge.



x




x




Know how to analyze learning tasks to choose appropriate reading materials from textbooks and books.

reference, internet


x





x




Know how to retain information selectively by taking summaries with detailed outlines, concept maps, tables, keywords; taking lecture notes

GV according to main ideas



x




x




Know how to search for documents in the home library

School and reference materials, internet as required by the learning task.




x



x




Recognize and correct mistakes, limit and overcome difficulties when performing learning tasks through comments from teachers and friends; be proactive.

seek support from others




x




x





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Criteria

Before TNSP

After TNSP

Good

Rather

TB

Weak

Good

Rather

TB

Weak

when having difficulty in learning









Know how to self-check and evaluate results

study




x


x



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