fence sitting
staying close to the middle of the scale
One of the terms below is NOT an example of a confound:
- placebo effect
- observer bias
- temporal precedence
What is temporal precedence?
correlational research; quasi-experimental research; qualitative research are all examples of
non-experimental research
Whats wrong with this self-report item: I think rom-coms are entertaining and the highest form of cinema. (1=strongly disagree, 7= strongly agree)
What is double barreled?
a 2x2 factorial design has _ IVs
2 IV
Participants are separated by political party affiliation and take an opinion poll on political issues.
stratified random sampling
what are; covariance, temporal precedence, and internal validity ?
A correlation coefficient of r= -0.89 indicates...
strength; direction
As x increases y decreases (vice versa), strong negative correlation
Does dancing vs singing release more endorphins in the body causing joy?
DV; IV; Levels of IV
What is
DV: endorphins
IV: Actions (2 levels - dancing, singing)
how many conditions are in a 2x3 factorial design
6
Survey research is conducted about mothers who feed their babies formula, the participants of the study are mommy and me members in Houston,TX.
In this scenario the mommy and me members are the _, while all mothers are_.
What is sample, the population?
between vs within subjects design
between subjects - random assignment to 1 condition and compare results
within subjects - all participants experience all conditions
This type of research DOESN'T eliminate confounding variables.
What is quasi-experimental research?
If a test results says you are not pregnant when you actually are the test has a_
What is a Type II error?
A factorial design with 3 independent variables, each with 2 levels would look like:
2x2x2
Acquiescence in sampling is
What is a tendency to strongly agree to most survey items?
a pilot study is conducted _ the study to_ ; a manipulation check is conducted _ a study to _
before, check construct validity; after, assess effectiveness of manipulation
A new teaching method is designed to help kindergartners with their social skills, the method is tested over the span of a school year - students showed improvement in social skills
maturation threat
A study is to test the effectiveness of psilocybin on migraines. Participants are randomly assigned a group. Group A is given the psilocybin treatment and Group B is only told they are being given the psilocybin. Neither the researcher or the participants know which condition they are receiving. In this scenario group B is_
What is the placebo group?
testing whether the effect of 1 IV depends on the level of another; "difference of differences"
interaction effect
systemic sampling
picking every 2nd participant from a population to participate in a study
the way a researcher expects participants to perform/behave in a study
demand characteristics
a quasi-experiment that repeatedly measures the DV before, during, and after an event AND continues to measure after things have returned to their original state.
What is:interrupted time-series with reversal?
All participants' well being is measured and their baseline is recorded. Participants in a study are randomly assigned to condition (A) watching a movie or reading a book (B).
What is pretest-posttest between subjects design?
Is there a main effect for this:
4 2
3. 4
Yes, values are not the same