Roland wants to ensure his study of how people interact with one another meets scientific standards. what must he include in his study

If he wants the study to meet scientific standards then the study needs to adhere to the scientific method. The scientific method is made up of several steps.

Step 1: Define the question he wants to ask. So in this it would be something along the lines of, how do people interact with one another.

Step 2: Then do background research into the subject matter.

Step 3: Construct/devise a hypothesis. What does he expect the outcome of the study to be.

Step 4: Test his hypothesis by carrying out the experiment. Make it clear what kind of experiment he intends on using for example an observation.

Step 5: Analyze the data gathered from the experiment.

Step 6. Draw a conclusion from the results.

Step 7: Share the results through writing a report/article.

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.

i truly dont know the answer wait i do its 1,3,4