A researcher interprets diaries, speeches, letters, photographs, and government records to explain past events. This is:
Historical research interprets past records.
Historical research interprets past records.
Concurrent evaluation occurs during implementation.
Action research involves practitioner investigation and immediate action.
Action research aims at immediate real-life action.
Pure research seeks theoretical understanding.
Applied research solves practical problems.
Evaluation research assesses programs.
Stratified uses random selection; quota does not.
Purposive sampling is suited for detailed qualitative knowledge.
Non-probability sampling has higher bias risk.
Disproportionate means sample sizes differ from population proportions.
Cluster sampling selects whole groups.
Convenience sampling uses easy-to-access participants.
Purposive sampling selects based on purpose.
Snowball sampling uses participant referrals.
Quota sampling fills non-random categories.
Simple random sampling gives equal chance to all.
Systematic sampling selects at regular intervals.
Stratified sampling selects from subgroups.
Stratification ensures subgroup representation.
Proportionate sampling reflects population proportions.
Disproportionate stratification does not match population proportions.