Understanding Operational Definitions

What tool is suggested for measuring abstract concepts like happiness?

• Operational definitions

• A timer

• A questionnaire

• A scale

In the aggression study, what was the main reason for the inconsistent results between the two researchers?

• Different number of participants

• Different times of observation

• Different definitions of aggression

• Different locations

What are the two main components of an operational definition?

• Observation and analysis

• Measurement and evaluation

• Observation and measurement

• Evaluation and analysis

In the social media study, what is defined as the independent variable?

• Mental health

• Teenagers

• Social media

• Stress

How is 'teenager' operationally defined in the study?

• Ages 10 to 19

• Ages 11 to 18

• Ages 13 to 18

• Ages 12 to 19

Which of the following is NOT considered a social media platform in the study?

• Facebook

• Instagram

• Google

• TikTok

What is the focus of the mental health variable in the social media study?

• Anxiety

• Depression

• Stress

• Happiness

What is one method mentioned for measuring stress in the study?

• Weight

• Temperature

• Heart rate

• Blood pressure

Why is replication important in research?

• To increase sample size

• To improve technology

• To verify results

• To reduce costs

What does reliability in research ensure?

• Variety in results

• Cost-effectiveness

• Consistency in results

• Speed of research