Internal Validity (A) refers to the extent to which a study establishes a trustworthy cause-and-effect relationship, meaning the observed results are solely due to the manipulated independent variable and not extraneous factors. External Validity (B) concerns generalizability, while Maturation (C) and History (D) are threats to internal validity.
Internal criticism evaluates the accuracy, meaning, and trustworthiness of the content within a source. It assesses the author's credibility, biases, and consistency of information. External criticism, in contrast, focuses on the authenticity or genuineness of the source itself.
The correct answer is Maturation. This term describes the internal physical or mental changes that naturally occur within subjects over time, independent of any experimental intervention. These changes, such as growing older, becoming more experienced, or simply getting tired, can influence the study's outcomes and pose a threat to internal validity if not accounted for. In contrast, Internal Validity refers to the study's ability to establish a causal link, while External Validity concerns generalizability. History refers to specific external events affecting participants during the study, not internal changes.
This question pertains to the author's credibility, potential biases, and honesty, which are central concerns of internal criticism. Internal criticism assesses the accuracy and trustworthiness of the content. External criticism, conversely, verifies the authenticity or genuineness of the source itself.
External validity describes the degree to which experimental results can be generalized to other populations, settings, and real-world situations beyond the study's specific context.
External criticism is concerned with establishing the authenticity or genuineness of a source or data. It seeks to determine if a document or relic is real and original, rather than a forgery. Internal criticism, on the other hand, evaluates the accuracy and trustworthiness of the content.
Mortality, also known as attrition, occurs when participants drop out of a study, and their systematic absence significantly impacts the overall research findings.
This question directly addresses the authenticity and genuineness of the source, which is the primary focus of external criticism. External criticism aims to determine if a document or relic is original and not a forgery. Internal criticism assesses the accuracy and trustworthiness of the content.
Statistical regression occurs when subjects are selected based on extreme scores, and subsequent measurements tend to be closer to the average, impacting study validity.
refers to the consistency of data. This indicates how similar or aligned the findings are across different sources. Validity of data concerns whether it accurately measures what it intends to, and oral testimony is a type of evidence.
Survey research commonly collects data from a sample using questionnaires or interviews to describe population characteristics. Causal comparative, Action, and Applied research employ diverse methods, but surveys are specifically characterized by these direct data collection tools.
Causal comparative research (ex post facto) begins with an observed effect and retrospectively seeks its possible causes by examining existing group differences. Applied and Action research solve practical problems, while Descriptive research describes current status, not cause-effect from an effect.
Lack of randomization, manipulation, and control are inherent weaknesses in Causal comparative research. Researchers cannot assign subjects or manipulate variables, making definitive cause-effect difficult. Basic and Action research have different methodological limitations, not these specific ones related to pre-existing groups.
The relationship between intelligence and self-esteem is studied via Correlational research, which examines the statistical relationship between two or more variables without implying causation. Causal comparative, Applied, and Descriptive research have different primary objectives, not solely identifying variable relationships.
A Variable is any condition or characteristic that can vary and is controlled, manipulated, or observed by the experimenter. Response, Effect, and Reward are specific outcomes or aspects related to variables, but "variable" is the fundamental term for what is measured or changed.
Inductive reasoning involves forming generalizations from specific observations. Deductive reasoning (A) moves from general to specific. Data analysis (C) is a process, and a hypothesis (D) is a testable statement, not the reasoning method itself. Thus, observing specific events to form a general rule is inductive.
An Independent Variable is the activity or characteristic manipulated by the researcher, believed to cause a difference in another variable; it's the presumed cause. The Dependent Variable is the effect. Behavioural variable and Consequent are not the precise terms for the manipulated cause.
For studies involving verbal synthesis, conclusions are often tentative because they rely on interpretation and qualitative data, making them less definitive and more open to revision. Rational (A) describes logical thought, Traditional (B) refers to established practices, and Analysis (C) is a process, not a characteristic of conclusions.
The dependent variable is the outcome measured, which changes in response to the independent variable's manipulation. The independent variable is what the researcher changes. Distractors are incorrect as they misidentify these fundamental experimental components.
Basic research is also known as fundamental or pure research. Its primary goal is to expand knowledge and theoretical understanding, without immediate practical application. Therefore, both A and B are correct terms for basic research, making 'Both A and B' the accurate answer.
Applied research is frequently conducted in natural settings to solve practical problems and test theories in real-world contexts. Basic research (A) is often theoretical. Descriptive (C) is a type of research, and Evaluation (D) assesses programs, but applied research is most commonly associated with natural settings for practical solutions.
Action research is specifically conducted by practitioners, such as teachers, in their own settings (e.g., classrooms) to improve their practice and address specific issues involving subjects like pupils. Applied (A) is broader, Correlational (B) is a method, and Basic (C) is theoretical.
In action research, the practitioner (e.g., a teacher, manager) is typically the one who conducts the research on their own practice to bring about improvement. This direct involvement and self-reflection are defining characteristics that distinguish it from other research types.
Historical research systematically collects and evaluates past data to understand events. Studying past resources directly aligns with this. R and D focuses on new products, Evaluation assesses worth, and Basic research expands theoretical knowledge, none of which primarily study the past.