This review is intended to give you a general idea of what may appear on the exam from the lectures listed below. The exam will cover material from the assigned readings and material that was presented in the lecture.
1. Isolating the impact of main independent variable
Experimental studies
Experimental
and control groups
Premasurement and postmeasurement
Random
assignment
Internal validity
and external validity
Laboratory experiments,
field experiments, natural experiments, and controlled comparisons
2. Descriptive statistics
Constructing a frequency table (Manual calculation)
Histogram
Percentages and proportions
Measures of central tendency
Mean, median, mode
Measures of variability (Dispersion)
Range, variance, standard deviation (Using N and N1)
Missing cases
Low variation and high variation
3. Random sampling and sample sizes
How many cases do we need?
Confidence level,
Accuracy (margin of error)
Variability
4. The normal curve
Central limit theorem
Z scores
Finding areas under the normal curve
5. SPSS
Frequency distribution, histogram, descriptive stats, recoding
6. Phases 2, 3
7. Operationalization
8. The ztable and the formulae for standard deviation and zscore will be provided.
_{}

2^{nd} decimal of z 

1^{st }digit and 1st decimal of Z 
.00 
.01 
.02 
.03 
.04 
.05 
.06 
.07 
.08 
.09 
0.0 
.5000 
.4960 
.4920 
.4880 
.4840 
.4801 
.4761 
.4721 
.4681 
.4641 
0.3 
.3821 
.3783 
.3745 
.3707 
.3669 
.3632 
.3594 
.3557 
.3520 
.3483 
0.6 
.2743 
.2709 
.2676 
.2643 
.2611 
.2578 
.2546 
.2514 
.2483 
.2451 
1.0 
.1587 
.1562 
.1539 
.1515 
.1492 
.1469 
.1446 
.1423 
.1401 
.1379 
1.2 
.1151 
.1131 
.1112 
.1093 
.1075 
.1056 
.1038 
.1020 
.1003 
.0985 
1.3 
.0968 
.0951 
.0934 
.0918 
.0901 
.0885 
.0869 
.0853 
.0838 
.0823 
1.5 
.0668 
.0655 
.0643 
.0630 
.0618 
.0606 
.0594 
.0682 
.0571 
.0559 
1.9 
.0287 
.0281 
.0274 
.0268 
.0262 
.0256 
.0250 
.0244 
.0239 
.0233 
2.0 
.0228 
.0222 
.0217 
.0212 
.0207 
.0202 
.0197 
.0192 
.0188 
.0183 
2.3 
.0107 
.0104 
.0102 
.0099 
.0096 
.0094 
.0091 
.0089 
.0087 
.0084 
3.0 
.0013 
.0013 
.0013 
.0012 
.0012 
.0011 
.0011 
.0011 
.0010 
.0010 
10. Weighted average (Bonus points: 3 points)