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Test your basic knowledge |
Research Methods
Start Test
Study First
Subject
:
business-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Graphed cluster of dots - each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables.
controls
longitudinal research
scatterplot
p value
2. View that science flourishes through observation and experiment.
empiricism
inter-rater reliability
random assignment
correlation coefficient
3. A type of reliability - where different versions of same instrument are used and scores are compared
criterion validity
test-retest reliability
alternate form reliability
operational definition
4. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
Hawthorne Effect
normal distribution
deception
random sample
5. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
r
nominal data
confounding of variables
quasi-experiment
6. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
case study
empiricism
statistical significance
interval data
7. Research project designed to discover degree to which two variables are related to each other
scatterplot
longitudinal research
correlation
correlational study
8. Association between increases in one variable and decreases in another
ANOVA
extraneous variables
alternate form reliability
negative correlation
9. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
control condition
empiricism
random assignment
z score
10. Research method in which info is obtained by asking many individuals a fixed set of questions
survey
negative correlation
overconfidence effect
case study
11. Statement of procedures used to explain research variables in enough detail to allow for replication
correlation coefficient
wording effects
p<.05
operational definition
12. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
nominal data
survey
operational definition
statistical significance
13. Variable that may change in response to manipulations of the IV (what is measured)
negative correlation
construct validity
dependent variable
quasi-experiment
14. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
mode
z score
alternate form reliability
false consensus effect
15. Computed measure of how much scores vary around the mean score.
positive correlation
standard deviation
criterion validity
illusory correlation
16. Arithmetic average of a distribution -
experimental condition
psychological test
mean
frequency histogram
17. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
social desirability bias
operational definition
meta analysis
experiment
18. In-depth - intensive investigation of individual or small group of people which involves interviews and personal interpretations by researcher. It may also be supplemented with psychological or medical tests
mean
range
z score
case study
19. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
random assignment
p<.05
experimenter bias
ordinal data
20. Difference between highest and lowest scores in a distribution.
hindsight bias
scientific method
range
correlational study
21. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
null hypothesis
percentile rank
mean
scatterplot
22. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
type two error
wording effects
control condition
meta analysis
23. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
generalizability
normal distribution
correlation coefficient
theory
24. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
inter-rater reliability
random selection
hypothesis
illusory correlation
25. Perception of a correlation between variables where none exists.
negative correlation
wording effects
illusory correlation
normal distribution
26. Research in which the same people are re-studied and re-tested over a long period
single-blind procedure
longitudinal research
inter-rater reliability
range
27. Repeating of research study to determine if its finding extends to other participants and circumstances
scatterplot
experimental condition
replication
theory
28. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
frequency histogram
reliability
nominal data
extraneous variables
29. Measure of the extent to which two factors vary together which can be positive or negative or non
controls
median
negative correlation
correlation
30. Bar graph that shows frequency distributions
frequency histogram
scatterplot
meta analysis
confounding of variables
31. When a specific word used in a question affects how respondents answer the question or the order of the questions
random sample
wording effects
mean
overconfidence effect
32. Degree to which test is representative of total domain its supposed to cover.
percentile rank
type two error
content validity
mode
33. Sample that fairly represents a population because each member has an equal chance of inclusion.
random sample
null hypothesis
negative correlation
psychological test
34. Occur when the questions asked on a sample survey are confusing or leading
experimenter bias
range
sampling bias
wording effects
35. Factors in an experiment that are unchanged for both the control group and the experimental group
mean
controls
null hypothesis
empiricism
36. Tendency to believe - after learning an outcome - that one would have foreseen it.
ANOVA
hindsight bias
random assignment
population
37. All cases in a group - from which samples may be drawn for a study
dependent variable
population
Hawthorne Effect
statistical significance
38. Relationship that exists when one set of data values increases while the other decreases
negative correlation
stratified sample
deception
random assignment
39. A research method that looks like an experiment BUT subjects are not randomly assigned to control and experimental groups (no cause and effect can be drawn)
p value
quasi experiment
inter-rater reliability
dependent variable
40. People of different ages are compared to one another at a single point in time
cross-sectional research
range
longitudinal research
mean
41. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
cohort effects
naturalistic observation
debriefing
ordinal data
42. Rejecting null hypothesis when it is actually true - a false positive
experimenter bias
type one error
psychological test
case study
43. Skewed distribution where data has many more scores toward the lower end of the distribution
content validity
dependent variable
positive (right) skew
statistical significance
44. Variable not relevant to what you are studying that has unplanned effect on DV. It may influence results - but all conditions are effected so it does not create bias.
percentile rank
interval data
correlational study
extraneous variables
45. Procedure for statistically combining results of many different research studies
meta analysis
interval data
operational definition
correlation coefficient
46. Variables other than IV that participants in - one group have that makes them different - from the other group. Two variables linked together in a way that makes it difficult to sort out their specific effects.
confounding of variables
ordinal data
theory
negative (left) skew
47. Type of line graph that shows frequency distributions
reliability
negative (left) skew
random selection
frequency polygon
48. Tendency to overestimate extent to which others share our beliefs and behaviors
false consensus effect
positive (right) skew
ratio data
type one error
49. Results of experiment are SIGNIFICANT - they are not likely caused by chance
p<.05
Hawthorne Effect
meta analysis
debriefing
50. Statistical method for making simultaneous comparisons between two or more means
random assignment
range
ANOVA
psychological test