About the Author. For example, Skinner would say that shy people learned to be shy as a result of experiences they had while growing up.
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It follows that modifications in an environ- ment can help a shy person become more socially oriented. However, unlike Skinner, they also see cognition as important in understanding development. Social cognitive theory holds that behavior, environment, and cognition are the key factors in development.
American psychologist Albert Bandura — is the leading architect of social cogni- tive theory.
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Bandura , a, b, emphasizes that cognitive processes have impor- tant links with the environment and behavior. His early research program focused heavily on observational learning also called imitation, or modeling , which is learning that occurs through observing what others do. Courtesy of Dr. Albert Bandura people cognitively represent the behavior of others and then sometimes adopt this behavior themselves.
These theories have been criticized for deemphasizing FIGURE 14 the role of cognition Skinner and giving inadequate attention to developmental changes. These are specific time frames during which, characteristics for example, believing that according to ethologists, the presence or absence of certain experiences has a long-lasting you can control your experiences. European zoologist Konrad Lorenz — helped bring ethology to prominence. In his best-known research, Lorenz studied the behavior of greylag geese, which will developmental connection follow their mothers as soon as they hatch.
Lorenz separated the eggs laid by one goose into Achievement two groups. One group he returned to the goose to be hatched by her. The other group was Bandura emphasizes that self-efficacy is a hatched in an incubator. The goslings in the first group performed as predicted. However, those in the second group, which saw Lorenz ment. Lorenz and Work. Bowlby stressed that attachment to a caregiver over the first year of life evolution, and is characterized by critical or has important consequences throughout the life span.
In his view, if this attachment is positive sensitive periods. If the. Do you think his experiment would have the same results with human babies? This point in time is called a critical period.
A related concept is that of a sensitive period, and an example of this is the time during infancy when, according to Bowlby, attachment should occur in order to promote optimal development of social relationships. Ethological theory has been criticized for its overempha- etc. Ma play area. One ecological theory that has important implica- Time sociohistorical tions for understanding life-span development was created by Urie Bronfenbrenner conditions and time — The theory identifies five environmental systems: microsystem, FIGURE 15 mesosystem, exosystem, macrosystem, and chronosystem see Figure It is of five environmental systems: microsystem, mesosystem, in the microsystem that the most direct interactions with social agents take exosystem, macrosystem, and chronosystem.
The individual is not a passive recipient of experiences in these settings, but someone who helps to construct the settings. For example, theory that focuses on five environmental children whose parents have rejected them may have difficulty developing positive relations systems: microsystem, mesosystem, with teachers. The mother might receive a promotion that requires more travel, which might increase conflict with the husband and change patterns of interaction with the child. The macrosystem involves the culture in which individuals live. Remember from earlier in the chapter that culture refers to the behavior patterns, beliefs, and all other products of a group of people that are passed on from generation to generation.
Remember also that cross- cultural studies—the comparison of one culture with one or more other cultures—provide information about the generality of development. The chronosystem consists of the patterning of environmental events and transitions over the life course, as well as sociohistorical circumstances. For example, divorce is one transi- tion.
Researchers have found that the negative effects of divorce on children often peak dur- ing the first year after the divorce Hetherington, , By two years after the divorce, family interaction is more stable. As an example of sociohistorical circumstances, consider how the opportunities for women to pursue a career have increased since the s. Nonetheless, it is still dom- Urie Bronfenbrenner developed ecological inated by ecological, environmental contexts Ceci, His theory dimensions of environmental systems, and its attention to connections between environmental emphasizes the importance of both micro systems.
The theory has been Cornell University Photography criticized for giving inadequate attention to the influence of biological and cognitive factors. Psychoanalytic eclectic theoretical orientation An theory best explains the workings of the unconscious mind. The behav- each theory whatever is considered best in it. Ethological Discontinuity but no stages; critical or sensitive periods Strong biological view emphasized; early experiences very important.
In short, although theories can be helpful guides, relying on a single theory to explain development probably would be a mistake. This book instead takes an eclectic theoretical orientation—rather than following a single theoretical approach, it selects from each theory whatever is considered its best features. Figure 16 compares the main theoretical perspectives in terms of how they view important issues in human development.
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What are the four steps of criticisms of this theory? LG3 Describe the main the scientific method? What do these theories?
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What are some contributions theories have in common? How are and criticisms of the cognitive theories? What are some contributions and criticisms of this theory? If they follow an eclectic orientation, how do scholars and researchers determine that one feature of a theory is somehow better than another?
The scientific method discussed earlier in this chapter provides the guide. Generally, research in life-span development is designed to test hypotheses, which in some cases are derived from the theories just described. Through research, theories are mod- ified to reflect new data, and occasionally new theories arise. Here we consider the measures most often used, beginning with observation. For observations to be effective, they have to be systematic.
We need to have some. We have to know whom we are observing, when and where we will observe, how we will make our observations, and how we will record them.
Where should we make our observations? We have two choices: the laboratory and the everyday world. When we observe scientifically, we often need to con- trol certain factors that determine behavior but are not the focus of our inquiry Jackson, For example, sup- pose you want to observe how children react when they see other people act aggressively.
If you observe children in their homes or schools, you have no control over how much aggression the children observe, what kind of aggression they see, which people they see acting aggres- sively, or how other people treat the children. In contrast, if you observe the children in a laboratory, you can control these and other factors and therefore have more confidence What are some important strategies in conducting observational research about how to interpret your observations. Naturalistic observation provides insights that sometimes cannot be obtained in the lab- 10 oratory.
Naturalistic observation means observing behavior in real-world settings, making no effort to manipulate or control the situation. Life-span researchers conduct naturalistic 5 observations at sporting events, child-care centers, schools, work settings, malls, and other places people live in and frequent.
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When visiting exhibits at the science FIGURE 17 museum, parents were three times as likely to engage boys as girls in explanatory talk. One technique is to interview them directly. The gender method is the survey—sometimes referred to as a questionnaire—which is especially use- difference occurred regardless of whether the ful when information from many people is needed Madill, Surveys and interviews can be used to study a wide range of topics from religious beliefs to sexual habits to attitudes about gun control to beliefs about how to improve schools.
Surveys and interviews may be conducted in person, over the telephone, and over laboratory A controlled setting from which the Internet. For example, on a survey or in an interview some individuals might say in real-world settings. For example, a person may per- form poorly on a standardized intelligence test in an office setting but score much higher at home, where he or she is less anxious. Case studies are performed mainly by mental health professionals when, for Mahatma Gandhi was the spiritual leader of India in the middle of the twentieth century.
What are some limitations of the case study approach?
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In procedures for administration and scoring. The subject of a case study case study An in-depth look at a single is unique, with a genetic makeup and personal history that no one else shares. In addition, individual. Researchers who conduct case studies rarely check to see if other professionals agree with their observations or findings Yin, Hormone levels are increasingly examined in developmental research. Also, as puberty unfolds, the blood levels of certain hormones increase. These two brain images indicate how others, Notice the pink and red coloring which indicates effective brain functioning involving memory in the brain of the year-old images of two adolescents—one a non-drinker and nondrinker left while engaging in a memory task, and compare it with the lack of those colors the other a heavy drinker—while they are engaged in the brain of the year-old heavy drinker right under the influence of alcohol.
watch Electroencephalography EEG Dr. Further, heart rate has been used as an index of different aspects of emotional development, such as inhibition and anxiety Reznick, Eye movement also is increasingly being assessed to learn more about perceptual devel- opment and other developmental topics. There are three main types of research designs: descriptive, correlational, and experimental.
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For example, a researcher might observe the extent to which people are altruistic or aggressive toward each other. In correlational research, the goal is to describe the strength of the relationship between two or more events or char- acteristics. The more strongly the two events are correlated or related or associated , the more effectively we can predict one event from the other. You might observe that the higher a parent was in permissiveness, the lower the child was in self-control. You would then analyze these data statistically to yield a numerical measure, called a correlation coefficient, a number based on a statistical analysis that is used to describe the degree of association between two vari- ables.