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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. Symbol used to represent the total number of subjects in a research study
face validity
deception
alternate form reliability
n
2. Research method in which info is obtained by asking many individuals a fixed set of questions
theory
ANOVA
survey
positive correlation
3. If you take the same test 2x's & you get the same results it shows ______ reliability
test-retest reliability
confederates
illusory correlation
negative correlation
4. Rejecting null hypothesis when it is actually true - a false positive
control condition
operational definition
type one error
mode
5. Procedure in which info that could introduce bias the result is withheld from participants - but experimenter will be in full possession of facts
normal distribution
debriefing
construct validity
single-blind procedure
6. Testable and falsifiable prediction - often implied by a theory
random assignment
mean
criterion validity
hypothesis
7. Measures whether a test looks like it tests what it is supposed to test as determined by a quick look or evaluation by a non expert
correlation coefficient
p value
operational definition
face validity
8. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
cohort effects
scatterplot
placebo effect
experiment
9. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
range
confederates
percentile rank
z score
10. Expectations by researcher that might influence results of experiment or its interpretation
theory
replication
experimenter bias
z score
11. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
controls
placebo effect
test-retest reliability
p value
12. Subset of a population in which every element in the population has an equal chance of being selected
mean
quasi-experiment
positive (right) skew
random sample
13. When a specific word used in a question affects how respondents answer the question or the order of the questions
wording effects
experimenter bias
confederates
deception
14. Middle score in a distribution; half scores are above it and half are below it.
median
independent variable
frequency polygon
confounding of variables
15. Perception of a correlation between variables where none exists.
illusory correlation
standard deviation
nominal data
meta analysis
16. Percentage of scores falling at or below a specific score.
negative correlation
percentile rank
operational definition
validity
17. All cases in a group - from which samples may be drawn for a study
social desirability bias
population
scientific method
debriefing
18. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
ANOVA
scientific method
meta analysis
debriefing
19. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
ratio data
false consensus effect
validity
nominal data
20. Statement that describes how to measure a particular variable or define a particular term specifically in a study
single-blind procedure
r
operational definition
frequency histogram
21. Method by which participants are misinformed or misled about study's methods and purposes - must be told truth about this in debriefing
generalizability
frequency histogram
deception
naturalistic observation
22. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
construct validity
random assignment
standard deviation
experiment
23. 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)
quasi experiment
Hawthorne Effect
random sample
negative correlation
24. 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.
content validity
positive (right) skew
scatterplot
longitudinal research
25. Perception of relationship where none exists.
case study
positive correlation
p value
illusory correlation
26. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
content validity
population
hindsight bias
r
27. Change in subject's behavior caused simply by awareness of being studied
Hawthorne Effect
criterion validity
mode
stratified sample
28. Any selection method that results in subset of the population (sample) that is not representative - and/or not random
confounding of variables
sampling bias
hindsight bias
frequency histogram
29. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
Hawthorne Effect
null hypothesis
meta analysis
scientific method
30. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
inter-rater reliability
statistical significance
z score
correlation coefficient
31. Correlation where as one variable increases - the other also increases - or as one decreases so does the other. Both variables move in same direction.
positive correlation
negative (left) skew
scatterplot
alternate form reliability
32. Set of assumptions used to explain phenomena & offered for scientific study
reliability
theory
Hawthorne Effect
null hypothesis
33. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
content validity
interval data
nominal data
double-blind procedure
34. Factors in an experiment that are unchanged for both the control group and the experimental group
interval data
negative (left) skew
Hawthorne Effect
controls
35. A test is divided into 2 halves and scores on the halves are compared to see if test is consistent within itself. Ex. compare odds & evens
controls
frequency polygon
split half reliability
experiment
36. Procedure for statistically combining results of many different research studies
meta analysis
experiment
scatterplot
sampling bias
37. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
random assignment
random selection
construct validity
psychological test
38. Relationship between variables in which as one variable increases - the other also increases - OR as one decreases so does the other. Both variables move in the same direction.
correlational study
wording effects
positive correlation
stratified sample
39. Statement of procedures used to explain research variables in enough detail to allow for replication
operational definition
median
double-blind procedure
debriefing
40. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
face validity
random sample
naturalistic observation
generalizability
41. Data with an absolute 0. Ratios are meaningful. (Length - Width - Weight - Distance)
ratio data
mean
replication
control condition
42. Tendency to give socially approved answers to questions about oneself.
Hawthorne Effect
social desirability bias
content validity
face validity
43. Type of line graph that shows frequency distributions
ratio data
meta analysis
frequency polygon
single-blind procedure
44. Most frequently occurring score(s) in a distribution.
mode
deception
case study
random sample
45. Computed measure of how much scores vary around the mean score.
standard deviation
case study
negative correlation
operational definition
46. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
ratio data
type two error
psychological test
face validity
47. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
ordinal data
standard deviation
content validity
case study
48. 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.
illusory correlation
extraneous variables
confederates
operational definition
49. Results of experiment are SIGNIFICANT - they are not likely caused by chance
p<.05
random assignment
illusory correlation
positive correlation
50. A type of reliability - where different versions of same instrument are used and scores are compared
alternate form reliability
positive correlation
ratio data
psychological test