'Internal validity' presentation slideshows

Research Methods Fall 2011

Research Methods Fall 2011. Science Helps Avoid Bias. Biases confound our judgment Overconfidence Confirmation bias Self-fulfilling prophecies Belief perseverance Illusory correlations Availability heuristic Conjunction fallacy Seeing patterns when there are none. 2.

2.15k views • 194 slides

Abbreviated Interrupted Time-Series

Abbreviated Interrupted Time-Series. What is Interrupted Time Series (ITS)? Rationales Designs Analysis. What is ITS?. A series of observations on the same dependent variable over time

1.83k views • 107 slides

Principles of Behavior Modification

Principles of Behavior Modification. Note Set 2 Gary L. Cates, Ph.D., N.C.S.P. Applied Research Methods. Single Case Designs. Terms. Independent Variable : What is manipulated Dependent Variable : What is measured (Always Y Axis)

1.62k views • 86 slides

Experimental RESEARCH DESIGNS

1.79k views • 50 slides

Random and Quasi-random Allocation

Random and Quasi-random Allocation. Background. Surprisingly many researchers do not understand the concept of random allocation.

732 views • 44 slides

Scientific Inquiry

666 views • 40 slides

Sociology 282

Sociology 282. Searching for [causal] relationships. Cause. Laypersons definition: when one thing affects another

582 views • 39 slides

Information Resources Management

Information Resources Management. January 16, 2001. Agenda. Administrivia Course Overview Database Management Systems (DBMSs) Homework #1. Administrivia. Syllabus Book Homework Web Page. Course Calendar. Eleven Homeworks Approximately one per week Exams Midterm 1 - 2/20

488 views • 38 slides

CONFOUNDING

1.32k views • 33 slides

Experimental Design

Experimental Design. True Experimental Designs. Random assignment Two comparison groups Controls threats to internal validity Strongest evidence for cause-effect. Quasi Experimental Designs. Lacks randomization or Lacks control group Accommodates for natural setting. Group Assignment.

546 views • 30 slides

Reliability and Validity

1.74k views • 27 slides

Effects of Self-Monitoring on the Classroom Preparedness Skills of Kindergarten Students At-Risk for Developmental Disab

Effects of Self-Monitoring on the Classroom Preparedness Skills of Kindergarten Students At-Risk for Developmental Disabilities. Jennifer Boyd Bialas, ME.d. Richard T. Boon, Ph.D. Department of Communication Sciences & Special Education College of Education The University of Georgia

394 views • 18 slides

Lecture 8: Quasi-experiments

Lecture 8: Quasi-experiments. Aims & Objectives To differentiate between true and quasi-experiments To discuss the nature of random allocation To examine threats to experimental validity To examine some basic quasi-experimental designs. Type of general approaches to design. Descriptive

639 views • 17 slides

Lecture 6

Lecture 6. Experiments II: Validity and Design Considerations. Example: Trust-Building Study. Question: Do increased risk-taking behaviors over time increase interpersonal trust?. Trust-Building Study . Independent Variable Experiment Condition (2 conditions):

324 views • 17 slides

Laying the Foundation for Scaling Up During Development

Laying the Foundation for Scaling Up During Development . Definition. Fidelity of implementation is: the extent to which a program (including its content and process) is implemented as designed; how it is implemented (by the teacher); how it is received (by the students);

414 views • 14 slides

Controlling extraneous variables

2.05k views • 12 slides

Quasi Experimental Designs

Quasi Experimental Designs. An Alternative to the True Experiment. Characteristics of Quasi-experimental designs. Goals and consequences Basic versus applied research Experimental Control Have manipulation of the independent variable May lack either or both of: Random assignment to groups

2.13k views • 12 slides

Clinical Practice Guidelines and People with Multimorbidity

Clinical Practice Guidelines and People with Multimorbidity. Cynthia M. Boyd, MD MPH Johns Hopkins University David Kent, Katrin Uhlig, Tom Trikalinos, Bruce Leff, Jodi Segal, Carlos Weiss, Sydney Dy, Ravi Varadhan

284 views • 12 slides

CLAS Assessment: The Next Steps

CLAS Assessment: The Next Steps. Developed By: Maria Cimitile, Julie Guevara, Kylene Dalton-Koons, Jennifer Glaab. Strategic & Assessment Planning. Assessment Plan. Goal #2 Goal #5 Goal #8. Strategic Plan. Goal #1 Goal #2 Goal #3 Goal #4 Goal #5 Goal #6 Goal #7 Goal #8. (2) Data

324 views • 11 slides

Research design

Research design. Faulty or pre-experimental designs True experimental designs. Faulty or pre-experimental designs. One-group after-only design/One-shot case study X O One-group pretest-posttest design O 1 X O 2 Nonequivalent posttest-only design/ Static group comparison X O

622 views • 8 slides