Instrumentation

• What is instrumentation as a threat to internal validity in research?

  Changes in measurement tools
• Match the type of instrumentation threat with its definition:

  Instrument Decay ↔️ Gradual loss of accuracy

  Calibration Errors ↔️ Incorrect tool calibration

  Changes in Administration ↔️ Varying application methods
• How do different rating scales affect research outcomes?

  Changes comparability of results
• Why is regular calibration important in research?

  Ensures accuracy and consistency
• Steps to minimize instrumentation threats:

  1️⃣ Regular Calibration

  2️⃣ Standardize Procedures

  3️⃣ Use Standardized Instruments

  4️⃣ Monitor Instrument Decay