Essays Tagged: "control group"

The effects of tetracycline on chick embryos

he effects of tetracycline onthe development in chicken embryos, such as bone and beak growth. Five control andseven experimental eggs were used for the experiment. The five control eggs were notinjec ... results were noted. Out of the seven injected eggs, all had some sortof abnormality. Conversely the control group eggs appeared normal.Table of ContentsI. IntroductionII. MethodologyII ...

(3 pages) 44 0 3.4 Dec/1996

Subjects: Science Essays > Biology

The Design of a Psychological Experiment

he weather won't affect the students. The task for the experimenter would be to make sure to have a control group, to have a wide variety and different types of participants, to make sure all particip ... and different types of participants, to make sure all participants use the same equipment, and have controlled amounts of caffeine. The tasks for the participants would be to carefully follow the inst ...

(2 pages) 59 0 4.2 Sep/1996

Subjects: Science Essays > Biology > Human Biology

A proposed experiment on how lower income childern typicaly had a lower IQ and what would happen to those same childern if they moved into a better living enviroment.

n inner city public housing facilities, that have children between the ages of ten to fifteen. The control group would be those families left in inner city public housing facilities, and the experime ... er living condition. This experiment would be done as an observation of the children to see if the control group was convicted of more crimes than the experimental group, the mental stability of both ...

(2 pages) 43 0 5.0 Apr/2003

Subjects: Social Science Essays > Society and community > Children and Youngsters

The link between creativity and bipolar disorder.

s widely recognized in the medical field, although little research exists under the conditions of a controlled experiment. Studies exploring the facets of the prescribed cognitive function are centere ... d elated states in bipolar disorder, thus depression is not evaluated. In addition, use of a normal control group will also allow for comparative analysis of creativity in bipolar subjects versus cont ...

(3 pages) 64 0 5.0 Apr/2003

Subjects: Social Science Essays > Psychology > Common Disorders

An experiment on whether vines grown on trees or artificial trees grow better and why.

use these obserbvations the hypothesis states:VINES ONLY USE STRUCTURES FOR SUPPORTExperiment:Under controlled conditions, vines were grown on real trees (control group-Plants 1,2,3), and artificial t ...

(1 pages) 22 0 3.0 Nov/2003

Subjects: Science Essays > Biology > Plant Biology

The Scientific Method

Types of Data:1. quantitative data= numbers2. qualitative data= descriptionsTypes of Experiments:1. controlled experiment= compare control group to an experimental group*control group does not have th ...

(1 pages) 125 0 2.0 Apr/2004

Subjects: Science Essays

What is the effect of caffeine on soybeans

f caffeine given to the plant increases, the damage to the plant will also increase. Therefore, the control group should grow the most, than the plants given the 15% solution, and the plants given the ... ntainers by putting 3 seeds in each (One seed did not germinate).3. Label one container the control, one container for the 30% solution, and one container for the 50% solution4. Now pu ...

(3 pages) 32 0 3.0 Jun/2004

Subjects: Science Essays > Biology

Hypothesis Analysis.

nd went to Honduras for two weeks. After two weeks the patients reportedly had no side effects. The control group that swam in a coral reef on their own did not have as great of an improvement as the ... soldiers used to put their wounded soldiers on horses during time of war. Studies done now include control groups as opposed to older studies done with only one group.There is even plant therapy also ...

(2 pages) 62 0 3.0 Jan/2006

Subjects: Humanities Essays > Health & Medicine

Violence In Television, Music, And Video Games

in Power Rangers" performed seven times more aggressive acts in a two minute play period than did a control group According to Dr. Jane Ledingham for The National Clearinghouse on Family Violence, "Th ...

(1 pages) 7 0 0.0 Sep/2001

Subjects: Literature Research Papers

Ecstasy

nt and Ex-users had poor scores on the tests taken in recall and verbal memory in comparison to the control group.The reasons for this memory effect are because ecstasy influences and enhances the dos ...

(1 pages) 249 0 0.0 Nov/2001

Subjects: Literature Research Papers

Staphlococcus

t study analyzed 144 adolescents; they were then stratified and randomized using key variables. The control group received routine pre and post partum aftercare and one the experimental group received ... pick out the true causal effects. There were also many variables that were totally out of anyone?s control such as alcohol use, other people living in the homes, self reporting of information instead ...

(3 pages) 449 0 0.0 Feb/2002

Subjects: Social Science Essays > Psychology

Neighborhood Watch Research Study

ly fall into three classes. In the first class, the study compares an “experimental” group with a control or comparison group, but the subjects of the study are not randomly assigned to the categori ... bservations is made after the treatment. The third class of quasi-experiments combines the use of a control group with time-series data. This latter approach is generally seen to provide the strongest ...

(5 pages) 158 0 0.0 Jan/2008

Subjects: Law & Government Essays > Law > Issues

Effects of social pressure on

ble. Those in the second group experienced negative social pressure. Meanwhile, students in a third control group experienced no social pressure at all. Using a one way ANOVA of the independent variab ... y's post hoc analysis showed that the significance of the effect was found between the positive and control groups as well as the positive and negative groups.The Role of Social Pressure on Academic P ...

(12 pages) 82 0 0.0 Feb/2008

Subjects: Social Science Essays > Psychology

Why Study Sociology

50 people who are moving to a new place in which they know absolutely nobody (you would also take a control group of 50 people who were not moving at all). Interview these people, post move, about how ...

(3 pages) 20 0 5.0 Feb/2008

Subjects: Social Science Essays > Psychology

Humor And Anxiety

t types of humor. Each group saw a different type of humor, either sexual, violence, neutral, and a control group saw non-humorous scenery. The stimuli were on slides projected onto a screen facing th ... ecklist. Ss were finally then randomly assigned to one of three groups, either humor, non-humor, or control. The humor group heard a tape of humorous content, the non-humor group heard a tape of non-h ...

(5 pages) 25 0 3.0 Feb/2008

Subjects: Social Science Essays > Psychology

Humor And Anxiety

t types of humor. Each group saw a different type of humor, either sexual, violence, neutral, and a control group saw non-humorous scenery. The stimuli were on slides projected onto a screen facing th ... ecklist. Ss were finally then randomly assigned to one of three groups, either humor, non-humor, or control. The humor group heard a tape of humorous content, the non-humor group heard a tape of non-h ...

(5 pages) 443 0 0.0 Feb/2008

Subjects: Social Science Essays > Psychology

Preventing Smoking Relapse

-report and biochemical validation, will be significantly higher in the treatment group than in the control group.Hypothesis 2: The rate of daily smoking at 6 months post-partum will be significantly ... aily smoking at 6 months post-partum will be significantly lower in the treatment group than in the control group.Hypothesis 3: Smoking cessation self-efficacy at 6 months postpartum will be significa ...

(4 pages) 37 0 4.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine

Human Aggression

xposed to a non-aggressive role model playing normally with non-violent toys. The last group is the control group which is not exposed to any role models. After the experiment, the results have shown ...

(3 pages) 31 0 0.0 Feb/2008

Subjects: Humanities Essays

There are two methods – common-sense explanations and social science theories – by which human behavior can be explained. Which method do you think is better in accounting for human behavior and why?

ifferent from that of natural science, observation, survey and interview which sometimes involves a control group, are the methodology used to test the experimental hypotheses, instead of using labora ...

(3 pages) 49 1 5.0 Jun/2008

Subjects: Social Science Essays > Psychology

BSE disease and the prion PrP that causes it.

ene was disabled,2) where the gene was over-expressed (so large amounts of PrP were present, and,3) Control mice (normal)They found that when they placed precursor cells of neuron cells from each of t ... ions:1) The precurosr cells from this group remained in that state for a long time, compared to the control group (3), while Group (2) cells formed mature neurons almost immediately.Their conclusion w ...

(1 pages) 496 0 5.0 Jul/2008

Subjects: Science Essays > Biology > Human Biology