An educational psychologist investigates whether attending underfunded public schools causes lower career earnings in adulthood. Because the researcher cannot randomly assign children to attend underfunded or well-funded schools for twelve years due to severe practical and ethical constraints, they must choose a non-experimental design. In analyzing this design, because the researcher cannot deliberately alter the school funding conditions, they must instead rely on the observation of ________ differences in school funding that already exist in society.
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Research Methods in Psychology - 4th American Edition @ KPU
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Example of Practical or Ethical Constraints Requiring Non-Experimental Research: Hippocampus Damage
Under what condition is a researcher required to use a non-experimental design to investigate a potential causal relationship?
In psychological research, certain barriers prevent researchers from using experimental methods even when investigating causal questions. Match each description with the concept that explains why or how a non-experimental design is used.
A researcher wants to study the long-term effects of heavy alcohol consumption during pregnancy on a child's cognitive development. Because it is unethical to deliberately assign pregnant women to drink alcohol for research purposes, the researcher must use a non-experimental design to compare children whose mothers chose to drink with those who did not.
A researcher is investigating whether long-term social isolation causes cognitive decline in the elderly. Arrange the steps of the researcher's analysis to determine why a non-experimental design must be used for this causal investigation.
When practical or ethical barriers prevent the manipulation of an independent variable, researchers must rely on the observation of pre-existing, naturally occurring differences.
In a scenario where a researcher wishes to study a causal relationship but finds that manipulating the independent variable is prohibited by ethical standards, what characterizes the resulting non-experimental approach?
In evaluating the design for a study on the long-term cognitive effects of witnessing domestic violence in childhood, a researcher concludes that a non-experimental design is the only viable option. This decision is based on the assessment that the _____ of the independent variable is prohibited by ethical standards, making a true experiment impossible.
Match each hypothetical research scenario with the appropriate methodological concept or constraint based on the conditions for non-experimental research.
A researcher is studying the potential causal relationship between localized brain damage and memory loss. Because they cannot ethically damage participants' brains, they must analyze this phenomenon by relying on the observation of _____ differences.
Evaluate the research scenario of investigating whether childhood lead exposure causes learning disabilities, and order the steps the researcher must take to justify and implement a non-experimental design.
Identify and describe the primary types of barriers that require a researcher to use a non-experimental design, even when their research addresses a potential causal relationship. According to the conditions of non-experimental research, what must the researcher rely on instead of deliberate manipulation?
Diagnose the fundamental flaw in Dr. Miller's initial study design based on the conditions for non-experimental research. How must he alter his approach to investigate this potential causal relationship?
A developmental psychologist wants to investigate whether growing up in extreme poverty causes lower academic achievement. In one to three sentences, explain how the psychologist can apply a non-experimental design to study this causal question when practical and ethical constraints are present.
Uncertain Causality Between Brain Differences and Gambling Disorder
Even when a research question focuses on a potential causal relationship, which of the following is the primary reason a researcher must choose a non-experimental design?
Match each research scenario with the primary barrier that prevents researchers from using an experimental design to study it.
A clinical psychologist wants to study whether severe childhood emotional neglect causes chronic low self-esteem in adulthood. To establish a strong causal claim, the researcher can ethically use an experimental design by randomly assigning a sample of infants to be neglected by their parents, provided the families are paid a high financial compensation.
A developmental psychologist wants to investigate whether prenatal exposure to high levels of maternal stress causes long-term emotional regulation issues in offspring. Arrange the steps of the researcher's methodological analysis in the correct order, starting from the initial causal inquiry to the selection of a non-experimental design.
A researcher wants to investigate whether regular, heavy alcohol consumption during pregnancy causes developmental delays in infants. To establish a strong causal claim, the researcher considers randomly assigning a group of pregnant women to consume four alcoholic drinks daily, while a control group abstains. In evaluating this research proposal, an Institutional Review Board (IRB) would reject the experimental design because deliberately exposing a developing fetus to a known neurotoxin violates fundamental human rights and presents an insurmountable ________ constraint, forcing the researcher to rely on naturally occurring differences instead.
When ethical or practical barriers make it impossible to manipulate an independent variable, researchers are unable to investigate the research question and must abandon the study completely.
When ethical or practical constraints prevent a researcher from manipulating an independent variable to study a causal relationship, how does the methodological approach to the independent variable change?
An investigator wants to study several causal hypotheses but faces severe ethical or practical constraints. Match each causal research question with the appropriate non-experimental design the researcher must apply to ethically and practically investigate the hypothesis.
An educational psychologist investigates whether attending underfunded public schools causes lower career earnings in adulthood. Because the researcher cannot randomly assign children to attend underfunded or well-funded schools for twelve years due to severe practical and ethical constraints, they must choose a non-experimental design. In analyzing this design, because the researcher cannot deliberately alter the school funding conditions, they must instead rely on the observation of ________ differences in school funding that already exist in society.
A research team wants to investigate whether chronic, extreme sleep deprivation (sleeping under 3 hours a night for a year) causes permanent neurological damage in humans. They are evaluating several proposed research methodologies.
Based on the ethical standards and practical constraints of psychological research, arrange these proposed designs in order from the most ethically and practically justifiable (Rank 1) to the least justifiable (Rank 3).