Time Dimension
Research Purpose
Unit of Analysis
100

You are studying the impact of stress over the lifespan of goldfish. What is the time dimension of this study?

Longitudinal

100

What are the sleep habits of social work students completing their generalist field placements?

Descriptive/exploratory

100

What is the impact of paid placements on the well-being of social work interns?

Social work interns

200

Our school wants to know whether MSW students pack a lunch when they go to their field placements. Field faculty ask students during class this week. What is the time dimension?

Cross-sectional

200

How does moving to a new city impact a person's sense of belonging?

Predictive/causal

200

You are studying differences in the quality of custard at Culver's locations across the United States. You sample one scoop of chocolate from a random sample of locations.

Culver's location

300

You run a self-care club for high school seniors. You decide to survey students in the club each year for 10 years. What type of longitudinal study is this?

Trend

300

What mental health conditions are more common among practicing social workers compared to non-social workers?

Descriptive/correlational

300

You are interested in the availability of jobs for school social workers. You take a sample of superintendents and ask them to report the number of social work jobs they had open during the past school year in their district.

School districts

400

You want to understand the impact of giving birth during the COVID-19 pandemic on long term outcomes. Every five years, you sample a group of families that had a child born during the pandemic. What type of longitudinal study?

Cohort

400

Does taking a research methods course improve social work practice among new social workers?

Predictive/causal

400

You study language development in toddlers. You videotape parent-child interactions and code for the number of conversational turns in a 10 minute period.

Parent-child dyads

500

You want to study the progression of mental health diagnoses as a person ages. You select a random sample of infants and track them throughout their lives. What type of longitudinal study?

Panel
500

What is the association between consumption of carbs and running performance?

Descriptive/correlational

500

You want to know if waitlist length for medically-assisted treatment has consequences for opiate users' outcomes. You use publicly available data on counties' average waitlist times and number of overdoses.

Counties