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Table 4 WAT frequency table of the experimental 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

38

105

78

23

87

VOLTAGE

16

94

70

22

RESISTANCE

75

8

56

14

BATTERY

38

133

22

117

112

Electrical circuit

167

128

66

129

Electrical shock

218

122

118

80

82

Electricity

88

185

56

107

18

78

23

Light/Lighting

183

235

101

71

-

104

68

Energy

123

100

87

-

46

105

91

Lamp

77

172

36

39

49

35

151

Home appliances

113

112

91

-

55

78

Wires/cables

104

133

13

65

58

Danger

101

114

24

36

Electrical plugs

206

83

44

Sparks

111

109

Switchboard

107

66

Negative

24

82

94

45

131

Positive

26

95

87

42

134

Block

176

Stop

127

Effort

111

Power supply

44

184

Electrons

122

109

Volt

122

Ampere

104

Ammeter

134

Voltmeter

133

Ohm

109

  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 < 80, regarding all stimulus words (posttest): ohm’s law, conductivity, mathematical equation, multimeter, AC, DC, etc.