Why You Need a Plan to Change (And Why Science Proves It)
- Galen Cole

- 10 hours ago
- 4 min read
Why You Need a Plan to Change (And Why Science Proves It)
“If you do what you’ve always done, you’ll get what you’ve always gotten.” — Tony Robbins
That line is not motivational fluff. It is a scientific observation.
In my years as a behavioral scientist at the CDC, we lived by a simple rule: if you want to change a behavior, you must first identify what is driving it and then deliberately intervene on those drivers. Without a plan, you are guessing. Guessing produces the same results you already have.
How Science Builds a Change Plan
We treated behavior change the same way a medical researcher treats a disease. We used regression analysis to answer two questions:
What is the problem? (Dependent variable)
What explains the problem? (Independent variables)
The dependent variable is the outcome we wanted to move — risky sexual behavior, smoking rates, physical inactivity, depression scores, etc. The independent variables are the factors that statistically explained the variance in that outcome. Once we isolated the strongest independent variables, we built an intervention plan that delivered those variables at the right dose, frequency, and application. Then we measured again to see whether the plan worked.
Two behavioral-science examples:
Example 1 – Adolescent smoking Dependent variable: number of cigarettes smoked per week. Independent variables that repeatedly explained the variance: peer norms, outcome expectancies (“smoking makes me look cool”), self-efficacy to refuse offers, and parental monitoring. Intervention plan: school-based refusal-skills training + parent communication coaching + media literacy on industry advertising. We measured smoking rates at 6 and 12 months. Programs that hit the strongest independent variables produced measurable drops; programs that ignored them did not.
Example 2 – Increasing physical activity in sedentary adults Dependent variable: minutes of moderate-to-vigorous activity per week. Independent variables: intention, perceived barriers (time, energy), self-efficacy, and environmental cues. Intervention plan: brief action-planning sessions, environmental redesign (walking shoes by the door, calendar blocks), and social accountability. Follow-up showed that targeting those specific levers produced lasting increases; generic “just exercise more” advice did not.
The principle is identical in personal change work. Your emotional pain, bad habits, or stuck relationships are the dependent variables. The thoughts, stories, and behaviors that keep them alive are the independent variables. The plan is the systematic delivery of the new thoughts and behaviors that reverse the equation.
Without a plan there is no systematic approach — and that dramatically lowers the odds of lasting change.
Prepare to Change
Buy a journal. Then execute the plan.
Decide what you want to do (action goal).
Decide how you want to feel (feeling goal).
Identify the thoughts and stories that undermine those goals. These are Maladaptive Thoughts.
Identify the behaviors that undermine those goals. These are Maladaptive Behaviors.
Create thoughts and stories you can use to counter the maladaptive ones. These are Adaptive Thoughts.
Decide on specific behaviors you will engage in instead of the maladaptive ones. These are Adaptive Behaviors.
When you start your day, set aside time to review your goals and the thoughts and actions required to achieve them. Repeat this process at least twice more during the day.
Read one positive, evidence-based quote or brief passage each day that reinforces adaptive thinking.
Write a brief daily statement of what you will do more of and less of in support of your goals.
Secret Sauce
Now that you have a plan, you must “do the work.” This is because, like it or not, lasting change requires effort. It means you must stop living in the mindset of “I can’t.” You must put in the time required to become what you intend to become.
Life is hard… become harder. Stop making excuses. No one is coming to make you or your life better — no one. Square your shoulders and work hard… very hard. Don’t make resolutions… make plans that include routines. Learn the lessons. Close the doors to the past. Move forward. Determine to press forward toward your goals; before you know it, you will have “done the work” and become the person you want to become.
If you truly decide to change, anticipate push-back from internal and external forces. When you attack a problem, it attacks back. The “effort-minimizing” part of your brain will say: “This is too hard… I can’t… things aren’t that bad… I’m a loser…” That is why part of your change plan must be learning to control and master your thoughts.
Most people lack spontaneous “inside-out” motivation to endure the discomfort of change. Therefore we use an outside-in approach: we deliberately practice the new thoughts and behaviors until the results begin to produce genuine inside-out motivation. A written plan is the bridge that connects the conscious decision to lasting change.
The Solution to Pollution Is Dilution
Because of our well-documented negativity bias (an evolutionary tendency to notice and remember threats more readily than positive information), it is essential — especially when you feel overwhelmed — to intentionally increase exposure to accurate, constructive information. Dilute the negative stream by immersing yourself in reliable sources of encouragement, problem-solving strategies, and adaptive perspectives. Build your own collection of evidence-based writings, brief videos, and statements that strengthen adaptive thinking. Keep them handy. Fill downtime with this material instead of passive consumption of news or problem-dwelling content. Consistent practice shifts the balance of what occupies working memory and attention.
A Plan Turns Intention Into Intervention
There is no serious debate on this point in the behavioral sciences. When an intervention is delivered at sufficient dose, frequency, and consistency, it produces measurable change. That is how science works—and it is exactly how personal transformation works.
Start today. Write the plan. Run the experiment on yourself. Measure the results. Adjust. Repeat.
The data will tell the truth.
© 2026 Dr. Galen E. Cole. All rights reserved.
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