NBPTS Literacy: Reading-Language Arts study materials
NBPTS Literacy: Reading-Language Arts study resources

Evaluating Perspective Across Two Sources

NBPTS Literacy: Reading-Language Arts · Put your knowledge to work in context.

All case studies

Evaluating Perspective Across Two Sources

Mrs. Rivera teaches fifth grade social studies and has 27 students. The class is studying Westward Expansion using two sources: a textbook excerpt that describes pioneers as brave settlers who brought progress, and a short diary excerpt from a Native American child describing loss of land and food. In a discussion, most students treat the textbook as simply 'the facts' and the diary as 'one person's opinion.' When asked why the sources differ, students say the diary is 'sad' or 'old.' They also misread the phrase 'manifest destiny' as a physical journey. Mrs. Rivera has 50 minutes for the lesson and must also cover vocabulary for the unit test. She has chart paper, a document camera, and a set of sentence strips. The district expects students to compare multiple accounts of the same event.

1. Diagnose the students' difficulty. Why is it insufficient to tell them that the diary is also a valid source?

Read the worked answer

The students are not merely uninformed about the diary; they are applying an unexamined hierarchy in which a textbook is neutral fact and a first-person account is bias. That hierarchy lets them avoid the harder question of how the textbook itself selects and frames events. Telling them that the diary is also valid does not address the hierarchy, because it leaves the textbook's authority unexamined. The students also lack a language for perspective: they describe tone ('sad') rather than position, purpose, or omitted information. Their misreading of 'manifest destiny' compounds the problem because they cannot see the idea as a claim about expansion rather than a trip. A defensible diagnosis is that students need explicit practice in sourcing, in comparing what each account includes and leaves out, and in using vocabulary as part of the author's argument. The lesson should therefore make the textbook an object of analysis, not just add the diary as a competing opinion.

2. Design a 50-minute lesson that teaches source comparison and addresses the vocabulary gap. Explain the sequence and the purpose of each step.

Read the worked answer

First, 8 minutes: Mrs. Rivera displays the phrase 'manifest destiny' in context and asks students to mark what it suggests about land, people, and the future. She clarifies that it was a belief used to justify expansion, not a description of travel. Second, 10 minutes: students read both excerpts with a source chart: who wrote it, when, for whom, what it emphasizes, and what it does not mention. Third, 12 minutes: pairs complete the chart and place sentence strips under 'textbook' and 'diary.' Fourth, 12 minutes: a whole-class comparison. Mrs. Rivera asks, 'What does each source make visible? What does each leave out?' She models one statement: 'The textbook emphasizes progress; the diary emphasizes loss. Both are accounts of the same event.' Fifth, 8 minutes: students write a two-sentence comparison using a frame: 'The textbook says __, while the diary says __. One reason they differ is __.' The sequence makes sourcing explicit, uses the chart to slow down judgment, and embeds vocabulary in the analysis rather than teaching it in isolation. The sentence frame supports transfer without supplying the comparison for students.

3. What would count as evidence that students can compare accounts rather than simply prefer one source?

Read the worked answer

Evidence of comparison would include students naming each source's position, purpose, or selection of details, not just its tone. For example, a student might say, 'The textbook was written to teach us about pioneers, so it focuses on their work. The diary shows what the same movement felt like to someone whose land was taken.' That statement does both: it explains the textbook's purpose and the diary's perspective. A weaker response would say, 'The diary is more true because it is sad,' which replaces one hierarchy with another. Mrs. Rivera should collect exit tickets and sort them into three categories: one-source preference, parallel summary without explanation, and explained comparison. She should also check whether students use 'manifest destiny' as a belief or claim rather than a trip. If many students remain in the first category, she should reteach sourcing with a third short source, such as a government advertisement, so that the textbook is not the only authority under examination. This assessment is defensible because it distinguishes perspective-taking from relativism.