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Atlas Blog

Case Study Research Design: Bound Your Case

Build a case study research design with a clear case boundary and evidence plan. Use a worked matrix to connect documents, interviews, and observations.

CASP Qualitative Checklist With a Worked Evidence Table

Use the CASP qualitative checklist to connect study passages with your appraisal judgments. Use a worked evidence table to keep unclear reporting separate.

Causal Comparative Research: Compare Groups With Clear Limits

Read causal comparative research through existing groups, measures and rival explanations. Build a checked comparison note without overstating cause and effect.

Ceiling Effect: Check What a Maximum Score Can Show

Understand the ceiling effect with a worked score example. Trace scale bounds, reported top scores, and limits before interpreting a lack of measured change.

Cluster Randomized Trial: Check Assignment and Outcomes

Read a cluster randomized trial with a worked evidence note. Distinguish groups assigned to arms from people measured, and check reporting and analysis limits.

Cluster Sampling: Trace Group Selection and Who Enters the Sample

Understand cluster sampling with one-stage and two-stage examples. Trace cluster selection, within-cluster sampling and inclusion gaps in a study report.

Write a commentary article that answers the paper

Build a commentary article from a target claim, your response and evidence. Check limitations and represent the original paper fairly before drafting.

Common Method Bias: Check How Each Variable Was Measured

Understand common method bias with a worked survey example. Compare measurement sources, timing, and safeguards before accepting a paper's claim about bias.

Community-Based Participatory Research: Check Roles

Review a community-based participatory research plan. Trace shared decisions, partner roles, and evidence use, then keep unresolved questions for joint review.