Metaphor Types as Strategies for Teaching Regression to Novice Learners

Figures & data

Fig. 1 Schematic forms of CO and CI.

Fig. 2 Standard instructional diagram for linear regression.

Fig. 3 Performance scores of CO vs. CI metaphor types.

Fig. 4 CO vs. CI ratings of practical utility and personal growth.

Fig. 5 Correlations between measures for CO vs. CI metaphor types.

Table

Student	Interest	Test score	Predicted score	Residual	${(y_i-\overline{y})}^2$	${(\widehat{y}-\overline{y})}^2$	${(y_i-\widehat{y})}^2$
A	3	4
B	1	4.5
C	3.5	3
D	4	6
E	5	6.5
F	6.5	8
G	7	7
H	8	9
I	9	6.5

Table

Criteria/Score	8–10%	4–7%	0–3%
a. Problem identification (10%)	Clearly defined problem of exigence and significance	Adequately defined problem of some exigence and significance	Irrelevant/non-problem of limited exigence and significance
b. Application of regression (10%)	Clear and accurate explanation of how regression is applicable to a.	Adequate explanation with some misconception of applicability	Poor explanation with little or no applicability
c. Implications (10%)	Persuasive explanation of how regression adds value to the target context	Adequate explanation of how regression analysis adds value	Poor explanation of how regression analysis adds value