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Table 3 WAT frequency table of the control group

From: Effect of a STEM approach on students’ cognitive structures about electrical circuits

 

Stimulus words

 

ELECTRIC CURRENT

VOLTAGE

RESISTANCE

BATTERY

Response words

M1

M2

M1

M2

M1

M2

M1

M2

ELECTRIC CURRENT

44

58

48

18

31

VOLTAGE

32

27

21

37

RESISTANCE

23

19

30

14

BATTERY

46

66

31

46

Electrical circuit

113

116

29

Electrical shock

207

135

127

126

17

34

79

46

Electricity

91

133

76

112

29

49

59

Light/Lighting

189

217

98

160

37

18

88

Energy

135

160

96

39

112

114

Lamp

101

140

73

35

31

68

73

Home appliances

98

131

78

133

66

51

56

31

Wires/cables

99

62

34

39

Danger

102

38

108

21

42

Electrical plugs

208

166

66

21

Sparks

104

88

Switchboard

96

79

Negative

20

30

20

52

57

Positive

19

25

17

44

68

Block

101

Stop

132

66

Effort

69

47

Power supply

75

  1. Response words with f < 80, regarding all stimulus words (pretest): fluid, charger, solar, LEDs, copper, death, force, substance, eolic, buildings, fire, etc.
  2. Response words with f < 40, regarding all stimulus words (posttest): fluid, death, copper, switch, lamp brightness, volt, ampere, ohm’s law, positive, ammeter, voltmeter, etc.