Longitudinal research
is a research design in which data-gathering is administered repeatedly over an extended period of time. … In cross-sectional research, a researcher compares multiple segments of the population at the same time.
What is longitudinal research complicated by?
Longitudinal studies
require enormous amounts of time
and are often quite expensive. Because of this, these studies often have only a small group of subjects, which makes it difficult to apply the results to a larger population.
What is the name for a study in which both the researchers and the participants are blind to group assignments?
In
a double-blind study
, both the researchers and the participants are blind to group assignments.
Which of the following involves observing behavior in individuals in their natural environments?
Naturalistic observation
is an observational method that involves observing people’s behavior in the environment in which it typically occurs. Thus naturalistic observation is a type of field research (as opposed to a type of laboratory research).
What is defined as observable reality?
testable
.
BLANK
are defined as observable realities. facts. You just studied 24 terms!
What do you call a group of participants receiving a treatment?
Control groups in experiments
When researchers are interested in the impact of a new treatment, they randomly divide their study participants into at least two groups: The treatment group (also called
the experimental group
) receives the treatment whose effect the researcher is interested in.
What is a limitation that affects the generalizability of research results group of answer choices?
What is the limitation that affects the generalizability of research results?
Small sample size
. Dr. Matter is interested in knowing more about brain injury to the occipital vortex, and he studies patients individually in order to gain in-depth knowledge about their behaviors.
What is most likely the biggest problem with longitudinal research?
The biggest problem in longitudinal research comes from
changing historical context
. Seeks to understand how and why people of all ages and circumstances change or remain the same over time. … a time when a certain type of development is most likely, although it may still happen later.
What level of research is a longitudinal study?
A longitudinal study is a type of
correlational research study
that involves looking at variables over an extended period of time. This research can take place over a period of weeks, months, or even years. In some cases, longitudinal studies can last several decades.
What are the three types of longitudinal research?
There are a range of different types of longitudinal studies:
cohort studies, panel studies, record linkage studies
. These studies may be either prospective or retrospective in nature.
What are the strengths and weaknesses of naturalistic observation?
| Strengths: Weaknesses: | More natural behaviour occurs if people are unaware of observation. Observer may affect behaviour if detected. | Studying of animals that cannot be observed in captivity. Difficult to replicate – cannot control extraneous variables. |
|---|
Which of the following are advantages to the use of naturalistic observation as a research method?
An advantage of naturalistic observation is that
it allows the investigators to directly observe the subject in a natural setting
. 1 The method gives scientists a first-hand look at social behavior and can help them notice things that they might never have encountered in a lab setting.
Who was the first person to be referred to as a psychologist?
Wilhelm Wundt
(1832–1920) was a German scientist who was the first person to be referred to as a psychologist. His famous book entitled Principles of Physiological Psychology was published in 1873.
What is the major limitation of case studies?
One major limitation of case studies is that
it is often difficult to generalize findings from the individual studied to other individuals
. If you are interested in uncovering cause-and-effect relationships between two variables, you would use the correlational method.
What is one task that a peer reviewer is not likely to participate in?
What is one task that a peer reviewer is not likely to participate in? Patwardhan et al. report data from a study where
they hired experimental confederates to attend speed dating events
, posing as daters, and carefully take notes on the behaviors of the daters. What type of research design did they use?
Is a sudden permanent change in a sequence of DNA?
A mutation
is a sudden, permanent change in a gene. While many mutations can be harmful or lethal, once in a while, a mutation benefits an individual by giving that person an advantage over those who do not have the mutation.
