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Do you think Research in psychology is Important? Why or why not?

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Presentation on theme: "Do you think Research in psychology is Important? Why or why not?"— Presentation transcript:

1 Do you think Research in psychology is Important? Why or why not?

2 Scientific Method Technique using tools such as observation, experimentation, and statistical analysis to learn about the world Through its use, psychology is thereby considered a science.

3 Research and Research Methodology Method of asking questions then drawing logical supported conclusions Researchers need to be able to determine if conclusions are reasonable or not (critical thinking).

4 Goals of Psychology Describe Explain Predict Control behavior and mental processes

5 Common Sense Conclusions based solely on personal experience and sensible logic Can lead to incorrect conclusions

6 Examples You can spoil a baby by picking it up too much Failure is due to people not trying

7 Are you BIASED????

8 Observation and Bias Module 2: Research Strategies

9 Bias Situation in which a factor unfairly increases the likelihood of a researcher reaching a particular conclusion Bias should be minimized as much as possible in research

10 Observation Gathering of information by simply watching subjects Can lead to bias

11 Example I am researching teenagers behavior and I was recently mugged by a group of teenagers… am I likely to observe teens being evil versus not? Why?

12 Researcher Bias The tendency to notice evidence which supports one particular point of view or hypothesis Objectivity tends to reduce bias.

13 Critical Thinking Thinking that does not blindly accept arguments or conclusions but questions their validity

14 Participant Bias Tendency of research subjects to respond in certain ways because they know they are being observed The subjects might try to behave in ways they believe the researcher wants them to behave Can be reduced by naturalistic observation

15 Are you being biased???

16 Time to move Please stand up with a writing utensils and paper Await instructions

17 Going for a walk We are going to walk through the building Your job is to write EVERYTHING you see… Please do not communicate with anyone

18 Naturalistic Observation Method of observation where subjects are observed in their “natural” environment Subjects are not aware they are being watched Could use hidden cameras or two way mirrors

19 Case Studies Module 2: Research Strategies

20 Case Study In depth study of one individual with the hopes of determining universal principles This technique is very open to bias Difficulty of applying data from one person to everyone

21 Correlation Module 2: Research Strategies

22 Correlational Study Research study designed to determine the degree to which two variables are related to one another

23 Positive Correlation As the value of one variable increases (or decreases) so does the value of the other variable. Studying and grades



26 Negative Correlation As the value of one variable increases, the value of the other variable decreases. The more you study, the less your teachers yell at you



29 Zero Correlation There is no relationship whatsoever between the two variables. the LA Lakers junior league and your performance in school


31 Correlational Study Important NOT to imply a cause and effect relationship between the variables Correlational study does not determine why the two variables are related--just that they are related. Correlational studies are helpful in making predictions.

32 Surveys Module 2: Research Strategies

33 Survey Method Research method that relies on self- reports; uses surveys, questionnaires, interviews. Usually a very efficient and inexpensive method

34 Please stand up

35 Touch three different walls

36 Find three other people – number off 1, 2, 3, & 4

37 Let’s Review Your number is what you are teaching 1.Bias 2.Naturalistic observation 3.Surveys 4.Case Studies As a group come up with a definition for Experiments (we didn’t talk about it)

38 Experiments notes

39 Population The total large group being studied from which a sample is drawn for a study

40 Random Sample A sample that represents a population fairly: –Each member of the population has an equal chance of being included. –If a sample is not random it is said to be biased.


42 What are the Odds of Each?

43 1 in 2,598,960

44 What are the Odds of Each? 1 in 2,598,960

45 Experiments: Independent and Dependent Variables Module 2: Research Strategies

46 Independent Variable The experimental variable which causes something to happen The “cause variable” The variable manipulated by the experimenter The variable which should change the dependent variable Would be the Smart pill

47 Dependent Variable The experimental variable which is affected by the independent variable The “effect variable” The outcome of the experiment The variable being measured The grades on the tests

48 Blind procedure An experimental procedure where the research participants are ignorant (blind) to the expected outcome of the experiment Sometimes called single blind procedure I would know who is getting the pill or not

49 Double Blind Procedure An experimental procedure where both the research participants and those collecting the data are ignorant (blind) to the expected outcome of the experiment

50 Placebo A non-active substance or condition administered instead of a drug or active agent Given to the control group Sugar pill in the test

51 Experiments: Replication Module 2: Research Strategies

52 Replication Repeating the experiment to determine if similar results are found If so, the research is considered reliable.


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