RESEARCH METHODS 710 TEST SCRIPT TEST BANK FULL SOLUTION 2026 VIEW AHEAD ASSESSMENT., Exams of Qualitative research

RESEARCH METHODS 710 TEST SCRIPT TEST BANK FULL SOLUTION 2026 VIEW AHEAD ASSESSMENT.

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RESEARCH METHODS 710 TEST SCRIPT
TEST BANK FULL SOLUTION 2026 VIEW
AHEAD ASSESSMENT.
โ— weakness of true experiments. Answer: 1. results in controlled
setting may not translate to real life
2. not all IV can be ethically randomized
3. doesn't show mechanics of change
4. community level research is difficult (too few to randomize)
5. poor external validity (non-probability sampling, small n, self
selection of intervention sites)
โ— Threats to internal validity. Answer: 1. selection bias
2. attrition
3. regression towards the mean
4. history
5. maturation
6. testing effect
7. diffusion/contamination
โ— Selection bias (define and how to reduce). Answer: subjects are not
equivalent accross groups; randomization, pretest
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RESEARCH METHODS 710 TEST SCRIPT

TEST BANK FULL SOLUTION 2026 VIEW

AHEAD ASSESSMENT.

โ— weakness of true experiments. Answer: 1. results in controlled setting may not translate to real life

  1. not all IV can be ethically randomized
  2. doesn't show mechanics of change
  3. community level research is difficult (too few to randomize)
  4. poor external validity (non-probability sampling, small n, self selection of intervention sites) โ— Threats to internal validity. Answer: 1. selection bias
  5. attrition
  6. regression towards the mean
  7. history
  8. maturation
  9. testing effect
  10. diffusion/contamination โ— Selection bias (define and how to reduce). Answer: subjects are not equivalent accross groups; randomization, pretest

โ— experimental mortality/ attrition. Answer: subjects drop out of study early; pretest โ— regression towards the mean. Answer: populations with extreme values will tend to retest with less extreme values; randomization โ— history. Answer: an event happens that impacts results; control group โ— maturation. Answer: people change over time and grow; control group โ— testing effect. Answer: the process of testing creates a change in the dependent variable (common with knowledge tests); mutliple groups et. solomon four group design โ— solomon four group design. Answer: two treatment and two control groups, only one set of T and C groups get the pre test โ— diffusion/contamination. Answer: control gets the intervention when they shouldn't, often groups share information with one another; try to anticipate and measure it โ— What do you need for causality (internal validity)?. Answer: 1. association

  1. temporal ordering

โ— types of longitudinal designs. Answer: 1. total population

  1. repeated cross-sectional design
  2. revolving panel
  3. longitudinal panel โ— repeated cross sectional design. Answer: data are collected for the same set of variables at 2+ time points, you pull from the same group but have a different sample each time โ— revolving panel design. Answer: collect data from a sample of cases, then drop some of the group and add more before collectig more data. repeat โ— longitudinal panel design. Answer: Data may be collected at two or more distinct periods, on the same set ofcases in each period โ— strategies to minimize attrition. Answer: 1. build rapport
  4. track sample pop over time (where are they etc.)
  5. maintain contact between waves
  6. branding
  7. consider attrition when planning sample size โ— Types of Measurement Validity. Answer: face, content, criterion, construct

โ— Face Validity. Answer: face value โ— content validity. Answer: The extent to which a measure comprehensively covers all aspects of the construct it aims to measure. It often relies on expert judgment. โ— criterion validity. Answer: The degree to which a measure correlates with or predicts an external outcome or criterion. โ— construct validity. Answer: The degree to which a measurement truly reflects the theoretical concept it is supposed to measure. โ— test retest reliability. Answer: test the same participant at at least two different times and see what the correlation coefficient is โ— alternate form reliability. Answer: Questions or responses are re- worded or the responseorder is changed to produce two items that are similar butnot identical - estimate a correlation coefficient โ— interobserver reliability. Answer: How well two evaluators agree in their assessment - estimate a correlation coefficient โ—