The group of people or things that a researcher wants information about or wants to study?

If one were to study the effects of different types of fertilizers on plant growth, the various fertilizers used would be considered this, and would graphically be shown on the x-axis?

This occurs when a coefficient provides information about direction and the association between the two variables in a study (just shows us the relationship)?

What type of research involves manipulating the independent variable without random assignment of participants?

In an experiment focusing on how exam grades relate to the amount of sleep a student gets the night before taking a test, the scores the students receive on the exam is this, graphically shown on the y-axis?

What is an unbiased sample where participants have an equal chance of being chosen for a study? Researchers randomly choose subjects from different groups.

What is defined as part of the population that we choose to examine and draw conclusions about in a study?

In an experiment focusing on how exam grades relate to the amount of sleep a student gets the night before taking a test, the scores the students receive on the exam is this, graphically shown on the y-axis?

These six features all make up the foundation for what? Fixed ideas, no peer review, uses only favorable discoveries, see's criticism as conspiracy, non-repeatable results, and uses ballpark measurements.

What type of sampling divides the population into a strata, and takes information from each group, resulting in each amounts from each group?

__________________ are when researchers introduce an intervention and observe it through a study using randomly assigned subjects? An example of this would be gathering 200 college students, randomly assigning half of them to learn a new musical instrument and the other half to learn new painting techniques, and measuring how their self-reported happiness scores change from before and after completing these activities.

These six features all make up the foundation for what? Willingness to change with new evidence, ruthless peer review, invites criticism, verifiable results, takes into account all discoveries, and uses accurate measurements.

What is known as when the independent variable causes an effect/change in the dependent variable?

____________________________, which are often seen in psychology, are used to gain information about a topic or situation when performing a true experiment isn’t possible (no random assignment)? An example of this would be identifying autism in children.