Confound - Samenvattingen, Aantekeningen en Examens

T/F A cross sectional research design is the quickest and most cost-effective method of estimating what happens with age. - Answer-T A person's phenotype is most accurately described as a. a person's genetic inheritances. b. the outcome of the interaction between a person's genotype and a particular environment. c. the result of the union between a sperm cell and egg cell. d. those characteristics that do not have a genetic basis. - Answer-B A positive correlation between viewing tele...

RMDA2 Exam Question and answers rated A+ 2024 RMDA2 Exam #2 University of Iowa (Mordkoff) (Rough Draft) Construct Validity - correct answer - *Are you actually studying what you are supposed to be studying?* -"The whole truth and nothing but the truth." - The extent to which a set of empirical measures provides a selective and exhaustive estimate of the target theoretical variables. External Validity - correct answer - The extent to which the results of the experiment can be gener...

PSY100 Midterm #1 UofT Exam Questions and Answers 100% Pass Empiricism - Answer- The view that knowledge comes from observed/sensory experience Empirical evidence - Answer- Refers to the data that has been collected (or the knowledge that has been gained) by scientific observation What is the role of theories? - Answer- Scientific theories typically explain the relationship between two or more variables. What must scientific theories be? - Answer- Testable, falsifiable, parsimonious Wha...

Confounding Factors and Types of Epidemiology 2023 control of confounding factors: prevention strategies - ANS-randomization in clinical trials, restriction, ad matching control of confounding factors: analysis - ANS-stratification for subgroup analysis, multivariable techniques ie regression of multiple potential dependent facotrs alcohol consumption linked to lung cancer - ANS-more smokers also drink, can stratify to make data clearer, stratify by smokers w lung cancer, alcoholics wi...

Problem statement and learning goals Answers to exercises task 4

WJEC Psychology Component 2 with Answers 1. Aims A statement of what the researcher(s) intend to find out in a research study. 2. confounding variable Any variable which varies systematically with the independent variable that might poten- tially affect the dependent variable and there- fore confound the results 3. Debrief To inform the participants of the true nature of the study and to restore them to the same state

Third-variable problem - Answer a third variable is the cause of the change in the measured variables Confound (correlation) - Answer a flaw in the measure so we can't tell precisely what we are measuring Experimental method - Answer involves direct manipulation and control of the variables

Currently, what is the proportion of elderly over the age of 65 in the United States? correct answers 12.4% In modern American culture, the birth of a child to a 13 year-old girl would be considered correct answers off-time. Currently, what is the average life expectancy for women in the United States? correct answers 80 years old What was the percentage of people over 65 in the overall US population in 1900? correct answers 4.1% A cross-sectional study is susceptible to what kind of...

NCE - Research and Program Evaluation (Practice Questions)Case studies, focus groups, and research observation are all examples of what kind of data collection methods? A) Qualitative data collection methods B) Quantitative datâtes collection methods C) Purposive sampling D) Systematic random sampling - correct answer A) Qualitative data collection methods Quasi-experimental research methods follow most processes associated with experimental research methods except for ______; therefore...

PSY100 Midterm #1 UofT Exam Questions and Answers 100% Pass Empiricism - Answer- The view that knowledge comes from observed/sensory experience Empirical evidence - Answer- Refers to the data that has been collected (or the knowledge that has been gained) by scientific observation What is the role of theories? - Answer- Scientific theories typically explain the relationship between two or more variables. What must scientific theories be? - Answer- Testable, falsifiable, parsimonious Wha...