What do researchers assign a small number of subjects to?
· answered. The proper treatment of experimental subjects helps to ensure which of the following? A.A hypothesis that no one can disprove B.More money for research C.Experiments that are easier to conduct D.Good and reliable data. 2.
What is a between-subjects experiment?
· The proper treatment of experimental subjects helps to ensure which of the following - 12487391 keyonaswift4 keyonaswift4 04/15/2019 Biology Middle School The proper treatment of experimental subjects helps to ensure which of the following keyonaswift4 is waiting for your help. Add your answer and earn points.
What is Kelley's experiment in introductory psychology?
· A standard for comparison that helps to ensure that the experimental result is caused by the condition tested is the? control What is the purpose for the proper handling of experimental subject?
How many conditions are assigned to each participant in an experiment?
Each participant is assigned to one condition of the experiment.
What did Kelley study?
In Kelley's (1950) classic study of the effects of people's expectations on their impressions of others, he gave Introductory Psychology students written descriptions of a guest lecturer before he came to class. Kelley handed out the descriptions at random. Half the students were told the visitor was a "warm" person and half were told he was ...
Why shouldn't you ask your friends to participate in your study?
experimental hypothesis. You shouldn't ask your friends to participate in your study because they may. feel obliged to participate. all of these. be more sensitive to your subtle cues than strangers. be low in representativeness. In Kelley's (1950) classic study of the effects of people's expectations on their impressions of others, ...
How many levels of the independent variable does each participant experience?
each participant experiences only one level of the independent variable.
Which variable produces group differences on the dependent variable that are larger than we would expect due to chance?
the independent variable produced group differences on the dependent variable that are larger than we would expect due to chance.
What chapter is Experimental Psychology?
Start studying Experimental Psychology Chapter 11. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
What is a true experiment?
A true experiment is a type of experimental design and is thought to be the most accurate type of experimental research. This is because a true experiment supports or refutes a hypothesis using statistical analysis. A true experiment is also thought to be the only experimental design that can establish cause and effect relationships. So, what makes a true experiment?
What happens when you are placed on the extreme of a continuum?
The world of probability is built in such a way that placement on either extreme of a continuum (such as a very high or very low score) will result in scores that regress toward the mean on subsequent testing (using the same test).
What can happen outside of an experiment?
Events can occur outside of the experiment that might affect its outcome. These events might offer a more potent explanation (other than the original treatment) for the differences observed between groups.
What does it mean when an experiment has internal validity?
In other words, if what you see is a function of what you did , then the experiment has internal validity.
Why is pretest important?
It allows the researcher to exert complete control over the variables and allows the researcher to check that the pretest did not influence the results.
Why are there two extra control groups in the pretest?
This design contains two extra control groups, which serve to reduce the influence of confounding variables and allow the researcher to test whether the pretest itself has an effect on the subjects.
Why do researchers use experiments rather than other research methods?
Researchers use experiments rather than other research methods in order to distinguish between
Did D students perform well on the test?
d. students generally performed very well on the test.
Does the experimental group receive the experimental treatment?
d. The experimental group does not receive the experimental treatment
What is the research concern in an experiment?
With experiments, researchers are concerned with whether the relationship between the treatment and the outcome variable holds true for certain subgroups.
Which study is an example of a field experiment?
Sherman and Berk's (1984) study looking at the impact of arrest in actual domestic violence incidents is an example of a: Field experiment.
What happens to extreme scores in testing?
Extreme scores used to select subjects will move back toward the average in subsequent testing.
What happened to the 15 students who failed the writing exam?
After they had failed the writing exam that was required of all students before graduation, 15 students were placed in a class in which they received additional tutoring. After completing this class, all 15 students retook the exam earned higher scores.Their success was held up as an example that the class curriculum really works.What source of internal invalidity has not been considered?
What is the purpose of a university survey?
A university conducts a series of surveys in which subjects are drawn from first-year and gradu ating students and finds that graduating students demonstrate much higher rates of approval for the university (in terms of whether they think the classes were relevant, the instructors were competent, etc.).The university then claims that more experience with the university leads to higher approval.What source of internal invalidity has the university not considered?
Do they randomly assign subjects to groups?
They do not randomly assign subjects to groups.
Why does Professor Zone's average exam score increase?
After 30 years of teaching the same research methods course, Professor Zone's average exam scores increase because he does not want to spend the time arguing with students over borderline grades. This is an example of: