PSYC 2: Biological Foundations - Fall 2012 - Professor Claffey

# Test 1 Analysis

Exam was taken on Friday, October 12th, 2012

## Descriptive Statistics

Number of students: 302
Median: 24.5/30 (81.7%)

Mean: 23.11/30 (77%)
SD: 5.21 (17%)
Reliability coefficient: 0.86
Max: 30/30
Min: 5/50

 Expected by students * Actual grades Past PSYC 2 ** A 45% 31% 31% B 40% 26% 26% C 9% 17% 21% D 2% 10% 2% F -- 17% 2%
* Expected by students - Based on pre-test survey question
** Average across 7 previous quarters of PYSC 2 (source). Does not sum to 100% because W/P/NP are not shown. This course is not necessarily expected to match this distribution.

## Studying

On average students studied 2.9 hours in the first week and 3.1 hours in the second week. 6% of students (n=19) did not study at all but this group of students also received the highest mean grade of 86%, representing students who are already familiar with the material. The group with the 2nd highest mean grade studied >10 hours. There was not a discernible pattern among students studying between 2-10 hours.

## Exam completion order

There was no relationship between order in which the exam was completed and test grade (r=.07)

## Survey Questions

The beginning of the exam included the following 3 optional survey questions. Response rate was 95-96% depending on the question.

Survey text:

1. What grade are you expecting to get ON THIS EXAM?
a. A - to A+
b. B- to B+
c. C- to C+
d. below C-

2. How many hours outside of class did you spend reading/studying in the FIRST week (neurons, action potentials, synapses)?
a. 0
b. 0-2 hours
c. 2-5 hours
d. 5+ hours

3. How many hours outside of class did you spend reading/studying in the SECOND week (neurotransmitters, synaptic plasticity, studying for exam)?
a. 0
b. 0-2 hours
c. 2-5 hours
d. 5+ hours