Table 6 Results of principal components analysis of students’ responses to versions C and D
From: Freshman Undergraduate Biology Students’ Difficulties with the Concept of Common Ancestry
Question | PC1 | PC2 |
|---|---|---|
N1 | 0.105 | −0.533 |
N2 | 0.182 | −0.288 |
N2.1 | 0.084 | −0.492 |
N3 | 0.169 | −0.415 |
H3 | 0.166 | −0.282 |
N4 | 0.316 | −0.009 |
N4.1 | 0.321 | −0.065 |
N5 | 0.288 | 0.050 |
H5 | 0.345 | 0.201 |
N6 | 0.367 | 0.184 |
N6.1 | 0.310 | 0.078 |
N7 | 0.357 | 0.154 |
H7 | 0.359 | 0.167 |